Modal verbs (i) must have to

15,358 views
15,206 views

Published on

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
15,358
On SlideShare
0
From Embeds
0
Number of Embeds
13,761
Actions
Shares
0
Downloads
98
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Modal verbs (i) must have to

  1. 1. MODAL VERBS (I): Must, have to, should (obligation) p. 134
  2. 2. Must vs. Have to <ul><li>Both indicate obligation, but there’s a little difference. </li></ul><ul><li>It’s getting late. I must go now  obligation from the speaker . </li></ul><ul><li>It’s getting late. My mum told me I have to be at home at 9.  obligation from another person . </li></ul>
  3. 3. <ul><li>Must is more common for specific (on one occasion) or personal obligations . </li></ul><ul><li>I must turn off my mobile. The battery is dying (specific occasion; it’s my own decision). </li></ul><ul><li>Have to is more common for general , external obligations , like rules and laws. </li></ul><ul><li>You have to turn off your mobile on a plane. (rule) </li></ul>
  4. 4. You have to wear a seatbelt in the car. Do you have to work on Satudays? I had to wear a uniform when I was at school. I must go to bed. I’m exhausted. I must remember to phone her tomorrow – it’s her birthday. FROM ANOTHER PERSON FROM THE SPEAKER OBLIGATION
  5. 5. GOTTA <ul><li>In spoken English, especially in the USA, people say got to (or gotta ) instead of have to. </li></ul><ul><li>I gotta go now. It’s getting late. </li></ul><ul><li>I got to study – I have an exam tomorrow. </li></ul>
  6. 6. <ul><li>Must is a modal verb. The only forms are must and mustn’t. </li></ul><ul><li>Must , as ALL MODALS , is ALWAYS followed by infinitive WITHOUT TO!!! </li></ul>
  7. 7. Strong recommendation <ul><li>You can also have to and must for strong recommendations. </li></ul><ul><li>You must see “The Queen”, it’s a fantastic film. </li></ul><ul><li>You have to listen to this song – I love it! </li></ul>
  8. 8. No obligation/necessity: don’t have to. <ul><li>You don’t have to come to the party if you don’t want to. </li></ul><ul><li>You don’t have to pay for the photocopies, they are free. </li></ul>
  9. 9. Prohibition: mustn’t <ul><li>Don’t have to and mustn’t are completely different. Compare </li></ul><ul><li>You mustn’t smoke inside a hospital. It’s forbbiden. ( It’s the law ) </li></ul><ul><li>You mustn’t drink and drive. </li></ul><ul><li>You don’t have to drive to the party, I’ll pick you up. (You can drive if you want, but it is not necessary ). </li></ul>
  10. 10. <ul><li>You can use can’t or not allowed to instead of mustn’t. </li></ul><ul><li>You can’t park here. </li></ul><ul><li>You are not allowed to </li></ul><ul><li>park here. </li></ul>

×