Exercise 18. Make suitable sentences from the table below. Use can to express occasional possibility.
Date: 2015-10-07; view: 627.
Possibility: can/could/may/might
CAN is used:
1) to say that something is possible (circumstances permit)
Anyone can learn to swim.
Can you get to the top of the mountain in one day?
2) to express occasional possibility (= sometimes)
The flu can be quite dangerous. (Sometimes it is quite dangerous.)
Exercise 17. Complete the sentences. Use can and the most suitable verb.
| cause | ski | make | live | reach | survive |
Example: In some cases this can cause difficulty.
1. You on the hills.
2. Anyone mistakes.
3. Temperatures near the South Pole minus 43 degrees centigrade.
4. Camels for up to 17 weeks in the desert without water.
5. Monkeys for up to 40 years.
Example: George can sometimes be very unreasonable.
| George | not objective. | |||
| Travelling | tricky. | |||
| My sister | can | sometimes | be | boring. |
| Some grammar rules | often | very unreasonable. | ||
| Mass media | very nice. |
MAY/MIGHT/COULD are used to talk about present or future possibility.
 MAY
MIGHT
COULD
| + BE/DO (Present Infinitive) or BE … -ING (Present Continuous Infinitive) |
NOTE:
Might slightly increases the doubt.
Could increases the doubt more than may and might.
He may/might/could tell his wife. (Perhaps he tells/will tell his wife.)
They may/might/could be having dinner now. (Perhaps they are having dinner now.)