MODALS: COULD (S.B. p.94 W.B. p.p. 91-92)
- The modal could is the past form of can. It has the meaning of past ability.
- "Could" is used to express possibility or past ability as well as to make suggestions and requests.
- "Could" is also commonly used in conditional sentences as the conditional form of "can."
Examples:
- Extreme rain could cause the river to flood the city. possibility
- Nancy could ski like a pro by the age of 11. past ability
- You could see a movie or go out to dinner. suggestion
- Could I use your computer to email my boss? request
- We could go on the trip if I didn't have to work this weekend. conditional
TOO + ADJECTIVE
- Too + adjective is used to give a reason for being unable to do something.
- Too has a negative meaning.
Lisa was too busy. She couldn't go to lunch with her co-
workers.
Sasha was too tired. He couldn't finish his homework last
night.
BE ABLE TO (SB p.95 WB p. 93)
- To be able to do something is another way to express ability.
Ex: Was Jimmy able to lift his grandmother´s suitcase? =
Could Jimmy lift his grandmother's suitcase?
Were Nancy and Mark able to go camping last weekend? =
Could Nancy and Mark go camping las weekend?
VIDEO:
HAVE GOT TO
(SB P.P. 98-99 WB P.P. 96-97)
(SB P.P. 98-99 WB P.P. 96-97)
- The affirmative form of have got to + verb expresses obligation.
- The auxiliary verb have (often) contracts with the subject pronouns.
She has got to go by midnight. She's got to go by midnight.
We have got to fly to N.Y. We've got to fly to N.Y.
They have got to work. They've got to work.
HAVE TO = HAVE GOT TO
DO THESE EXERCISES
COULD
BE ABLE TO
HAVE GOT TO
Play & Test what you've learned
CHAPTER SUMMARY VIDEO
DO THESE EXERCISES
COULD
BE ABLE TO
HAVE GOT TO
Play & Test what you've learned
CHAPTER SUMMARY VIDEO
