The document discusses the use of modal verbs "have to" and "don't have to". It provides examples of affirmative and negative sentences using these verbs to express necessity and lack of necessity. It includes exercises for students to practice filling in the modal verbs in various contexts. The student notes that they have to study for their upcoming English test.

1. “ I have to study for my English test.” Teachers: Ingrid Campos Leonardo Sáez Date: Wednesday 13th of 2010

2. Use of : Have to / Has to = it is necessary Don't have to / Doesn't have to = it isn't necessary

3. Form AFFIRMATIVE SENTENCES SUBJECT MODAL VERB EXAMPLES affirmative sentences ( + ) NECESSITY: have to/has to means it is necessary. I you we they have to clean get pick up have eat go work I have to clean my room. You have to get a new book. We have to pick up the laundry. They have to have a notebook. he she it has to He has to eat dinner now. She has to go to work now. It has to work .

4. NEGATIVE SENTENCES SUBJECT MODAL VERB EXAMPLES negative sentences ( - ) LACK OF NECESSITY: don't have to/doesn't have to means it is not necessary. You have a choice. I you we they don't have to work do clean eat work go be I don't have to work on Saturday. You don't have to do that. We don't have to clean the car. They don't have to eat pizza. he she it doesn't have to He doesn't have to work tomorrow. She doesn't have to go today. It doesn't have to be that way.

5. Had to: Had to in affirmative sentences (Simple Past) Example: I/you/he/she/it/we/you/they had to get up early. Had to in negative sentences (Simple Past) Example: I/you/he/she/it/we/you/they didn't have to get up early.

6. Exercises Put in have to or has to into the gaps. Example: I _________ get up early every day. Answer: I have to get up early every day. 1) They_______________ write a test. 2) She________________ clean her desk. 3) Ken and Liz_________________ learn English words. 4) Andy___________________ help his brother. 5) We__________________ do our homework. 6) He___________________ write with a pencil. 7) I___________________ feed the hamster. 8) You_________________ take photos. 9) Victoria__________________ read the newspaper. 10) The teacher___________________ send a text message.

7. Put in don't have to or doesn't have to into the gaps. Example: I ____________ wear a pullover. Answer: I don't have to wear a pullover. 1) He_____________ work in the evening. 2) We_______________ go shopping. 3) The friends______________ get up early. 4) Mandy________________ read the instructions. 5) You______________ do the project. 6) I___________________ play the guitar. 7) They_________________ carry the buckets. 8) She_________________ wash my T-shirt. 9) Mum____________________ make sandwiches. 10) Frank and Joel__________________ draw a picture.

8. Write - have to / has to or don't have to / doesn't have to . Every man_____________ do military service in my country. It's obligatory. Policemen_______________ wear a uniform. A pilot ____________ train for many years. I_______________ get up early on Sundays. I can stay in bed. You_______________ have a visa to come to Ukraine. You________________ to do it if you don't want to. My daughter_________________ to cook, because I cook for the whole family. We_____________________ pay. It's free.

9. Find the mistakes in the sentences . She to have cook dinner. They doesn’t have to eat hamburgers. We has to study for our exam. He has not to be disrespectful. They has to boil their vegetables. You have cook to your onions very well. I doesn’t has to work on Sundays, but I has to go to school on Monday. You to has to wash the lettuce very well.

10. I have to cook my breakfast!!!

11. Now Pay Attention to this!!!! Discover what it says: 1) swcinahd __________________________ 2) nnabaa __________________________ 3) trewa __________________________ 4) ubrruge __________________________ 5) klim __________________________ 6) ldsaa __________________________ 7) juiec __________________________ 8) cpihs __________________________ 9) elpppniea _________________________ 10) mrloeetnwa __________________________

26. Across Down 2) Found in rivers and seas 3) Sweetens food 5) Potatoes, carrots, for example 7) Made from fruit and sugar 9) Eaten for breakfast 11) Source of proteins, red or white 1) You can spread it on bread 2) Often grows on trees 4) Popular in Italy 6) Needed for sandwiches 8) Babies drink a lot of this 10) Eaten a lot in Asia