S6 gerund&infinitive


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S6 gerund&infinitive

  1. 1. English presentation Gerund & infinitive
  2. 2. Introduction of GerundThe -ing form of the verb may bea present participle or a gerund.The form is identical, the difference is in the function, or the job the word does in the sentence.
  3. 3. The gerund:This always has the same function as a noun (although it looks like a verb), so it can be used:• as the subject of the sentence: e.g. Eating people is wrong.• after prepositions: e.g. She is good at painting.• after certain verbs, e.g. like, hate, admit, imagine• in compound nouns, e.g. a driving lesson, a swimming pool, bird- watching, train-spotting
  4. 4. THE GERUNDThis looks exactly the same as a present participle,and for this reason it is now common to call bothforms the -ing form. However it is useful tounderstand the difference between the two. Thegerund always has the same function as a noun(although it looks like a verb), so it can be used:a. as the subject of the sentence:- Eating people is wrong. Hunting elephants isdangerous.- Flying makes me nervous.
  5. 5. b. as the complement of the verb to be:- One of his duties is attending meetings.- The hardest thing about learning English isunderstanding the gerund.- One of lifes pleasures is having breakfast inbed
  6. 6. c. after prepositions. The gerund must be usedwhen a verb comes after a preposition:- Can you sneeze without opening your mouth?- She is good at painting.- Theyre keen on windsurfing.- She avoided him by walking on the opposite sideof the road.- We arrived in Madrid after driving all night.- My father decided against postponing his trip toHungary.
  7. 7. This is also true of certain expressions endingin a preposition, e.g. in spite of, theres nopoint in..:- Theres no point in waiting.- In spite of missing the train, we arrived ontime time.
  8. 8. d. after a number of phrasal verbs whichare composed of a verb +preposition/adverbExample: to look forward to, to give up, to be for/against, to take to, to put off, to keep on:- I look forward to hearing from you soon. (at the end of a letter)- When are you going to give up smoking?- She always puts off going to the dentist.- He kept on asking for money.
  9. 9. NOTE:There are some phrasal verbs and otherexpressions that include the word to as apreposition, not as part of a to-infinitive:- to look forward to, to take to, to be accustomed to, tobe used to. It is important to recognise that to is apreposition in these cases, as it must be followed by agerund: - We are looking forward to seeing you. - I am used to waiting for buses. - She didnt really take to studying English.
  10. 10. e. in compound nouns Example: - a driving lesson, a swimming pool, bird- watching, train-spotting It is clear that the meaning is that of a noun, not of a continuous verb. Example: - the pool is not swimming, it is a pool for swimming in.
  11. 11. f. after the expressions:cant help, cant stand, its no use/good, and the adjective worth: - The elephant couldnt help falling in love with the mouse. - I cant stand being stuck in traffic jams. - Its no use/good trying to escape. - It might be worth phoning the station to check the time of the train.
  12. 12. GERUND OR INFINITIVE?The two groups of verbs below can be followed eitherby the gerund or by the infinitive. Usually this has noeffect on the meaning, but with some verbs there is aclear difference in meaning. ( Verbs marked * can also be followed by a that-clause. )Example:to prefer - I prefer to live in an apartment. - I prefer living in an apartment.
  13. 13. A. Verbs where there is little or no difference in meaning: Allow Deserve Neglect Attempt Fear * Omit Begin Hate * Permit Bother Intend * Prefer * Cease Like Recommend * continue Love Start
  14. 14. B. Verbs where there is a clear difference in meaning:Verbs marked with an asterisk* canalso be followed by a that-clause.come forget go on mean regretremember stop try
  15. 15. Come:• Come + gerund is like other verbs of movement followed by the gerund, and means that the subject is doing something as they move: e.g.She came running across the field.• Come + to-infinitive means that something happens or develops, perhaps outside the subjects control: e.g.This word has come to mean something quite different.
  16. 16. Forget, regret and remember:• When these verbs are followed by a gerund, the gerund refers to an action that happened earlier: e.g.I remember locking the door (= I remember now, I locked the door earlier) e.g.He regretted speaking so rudely. (= he regretted at some time in the past, he had spoken rudely at some earlier time in the past.)
  17. 17. Forget is frequently used with never in the simple future form: e.g.Ill never forget meeting the Queen.When these verbs are followed by a to-infinitive, the infinitive refers to an actionhappening at the same time, or later:e.g.I remembered to lock the door (= I thought about it, then I did it.)e.g.Dont forget to buy some eggs! (=Please think about it and then do it.)
  18. 18. Go on:Go on + gerund means to continue with anaction:e.g.He went on speaking for two hours.Go on + to-infinitive means to do the nextaction, which is often the next stage in aprocess:e.g.After introducing her proposal, shewent on to explain the benefits for thecompany.
  19. 19. Mean:Mean + gerund expresses what the resultof an action will be, or what will benecessary:e.g.If you take that job in London it willmean travelling for two hours every day.Mean + to-infinitive expresses anintention or a plan:e.g.I mean to finish this job by the end ofthe week!e.g.Sorry - I didnt mean to hurt you.
  20. 20. Stop:Stop + gerund means to finish an action inprogress: e.g.I stopped working for them becausethe wages were so low.Stop + to-infinitive means to interrupt anactivity in order to do something else, sothe infinitive is used to express a purpose:e.g.I stopped to have lunch. (= I wasworking, or travelling, and I interruptedwhat I was doing in order to eat.)
  21. 21. Try:Try + gerund means to experimentwith an action that might be asolution to your problem.e.g. If you have problems sleeping,you could try doing some yoga beforeyou go to bed, or you could trydrinking some warm milk.e.g. I cant get in touch with Carl.Have you tried e-mailing him?
  22. 22. Try + to-infinitive means to make aneffort to do something. It may besomething very difficult or evenimpossible:e.g.Well try to phone at 6 oclock,but it might be hard to find a publictelephone.e.g.Elephants and mice have to try tolive together in harmony.
  23. 23. VERBS FOLLOWED BY THE GERUND The gerund is used after certain verbs. Example:• miss : I miss living in England.• The most important of these verbs are shown below. Those marked can also be followed by a that-clause
  24. 24. Example: VERB GERUND• She admitted... • breaking the  window THAT-CLAUSE • that she had• She admitted... broken the window.
  25. 25. acknowledge, keep,admit, mean,(=have as result)appreciate, mention,avoid, mind,celebrate, miss,consider, pardon,defer, postpone,delay, prevent,deny, propose,detest, recall,dislike, recollect,enjoy, remember,entail, report,escape, resent,excuse, risk,fancy (=imagine), save (=prevent thefinish, wasted effort)forgive, stop,imagine, suggest, understand,
  26. 26. phrases:• be devoted to • give up• be used to • go on• can’t help • insist on• leave off • look forward to• put off • object to• with a view to  • get through
  27. 27. go + gerund  • In some phrases, the gerund after “Go” mean that 休閒活動。• Example : My mother and my sister go shopping quite often.• They go fishing every weekend after retirement.
  28. 28. • go birdwatching  • go running          • go boating            • go sailing• go bowling   • go sightseeing     • go camping          • go skating           • go cycling        • go surfing the Net• go fishing            • go grass skiing • go swimming     • go hiking • go walking         • go hunting • go window shopping• go mountain climbing • go jogging
  29. 29. The Infinitive• Form of infinitive• To-infinitive• Bare infinitive• Function of infinitive• Verbs usually followed by infinitive
  30. 30. Form of infinitiveThe infinitive is the base form of a verb.It may be preceded by to (the to-infinitive)or stand alone(the base or zero infinitive).
  31. 31. To-infinitiveThe to-infinitive is used:a. after certain verbs. e.g. want, wish, agree, fail, mean, decide, learnb. after the auxiliaries to be to, to have to, and ought toc. in the pattern ‘ it is + adjective + to-infinitive ‘
  32. 32. Examples:• The elephant decided to marry the mouse• The mouse agreed to marry the elephant• You will have to ask her• You are to leave immediately• He ought to relax• She has to go to Berlin next week• Its easy to speak English• It is hard to change jobs after twenty years• Its stupid to believe everything you hear
  33. 33. Bare infinitiveThe bare infinitive is used:a. after most auxiliaries (e.g. must, can, should, may, might)b. after verbs of perception, (e.g. see, hear, feel) with the pattern ‘ V + O + zero infinitive ‘c. after the verbs make and let, with the pattern make/let + O + zero infinitived. after the expression had better‘
  34. 34. Examples:After auxiliaries: - She cant speak to you. - He should give her some money. - Shall I talk to him? - Would you like a cup of coffee? - I might stay another night in the hotel. - They must leave before 10.00 a.m.
  35. 35. After verbs of perception:Pattern : S + See + O + V+ing Notice bare infinitive Observe Watch Hear Feel Smell Listen toE.g. I saw her stand/standing . I watch the children play/playing in the park . I listened to her sing/singing.
  36. 36. After the verbs make and let:Pattern : S + Let + O + V(bare infinitive) Make HaveE.g. I let him go . I make her cry . I have my mother wash my clothes .NOTICE that the to-infinitive is used when make is in the passive voice: - I am made to sweep the floor every day. - She was made to eat fish even though she hated it.
  37. 37. After had better:- We had better take some warm clothing.- She had better ask him not to come.- Youd better not smile at a crocodile!- We had better reserve a room in the hotel.- Youd better give me your address.- They had better work harder on their grammar!
  38. 38. Function of infinitiveThe most common uses of the infinitive are:~ As a subject/object – noun e.g. To err is human, to forgive is divine. ( S ) I saw a dog cross the road. ( O )~ As an adjective e.g. Their offer to reduce your workload is quite attractive. ( acts as adjective to qualify “their offer” )~ As an adverb e.g. I stop to buy a tape. (acts as adverb to qualify “stop” )
  39. 39. The to-infinitive is used after the verbs in this group, without a preceding noun. ( * can also followed by “that-clause” )afford fail promise*agree* guarantee* proposeaim happen prove (= turn out)appear hasten refuse resolve*arrange* seek have (= be obliged)bother seem hesitatecare strive hope* swear*claim* learncondescend tend long threaten*consent manage troubledecide* offer undertakedemand* prepare volunteerdetermine* pretend* vow* proceed
  40. 40. B. These are the most common of the verbs that are normally followed by a noun + infinitive.accustom entitle order*aid entreat persuade*appoint force pressassist get promptcause implore* provokechallenge incite remind*command* induce require*defy inspire stimulatedirect* instruct* summondrive teach inviteempower tell leadenable temptencourage leave (make trust*entice someone warn* responsible) oblige
  41. 41. ~END~Thank you for your attention~