Fundamentals Of English Grammar

EXERCISE 3. Error analysis: the form of modal auxiliaries. (Chart 7-1)

Directions: Correct the errors.

1. Can you re help me, please?


2. I must studying for an exam tomorrow.


3. We couldn't went to the party last night.


4. I am have to improve my English as soon as possible.


5. You shouldn't to spend all your free time at the computer.


6. My mother can't speaking English, but she can speaks several other language.

(d) I cannot understand that sentence.
1 K'Ll

(a) Bob can plqy the piano.

(b) You can buy a screwdriver at a hardware store.

(c) I can meet you atTed's tomorrow afternoon.

The negative form of can may be written can't,

cannot, or can not.

Can expresses abdicy in the present or future.

I

I (f) He couldn't waIh when he was six months old. I The negative of could: couldn't or could not. 1

(e) Our son could walk when he was one year old.

EXERCISE 4. Expressing ability: CAN and CAN'T. (Chart 7-2)

Direczions: Complete the sentences with can and can't.

1. A cat a climb trees, but it I fly.


2. Afish walk, but it swim.


3. A dog bark, but it sing.


4. A tiny baby cry, but it talk.


5. You store water in a glass jar, but you
   store it in a paper bag.


6. You drive from the Philippines to Australia, but you
   drive from Italy to Ausaia.

The past form of can is could.

Modal Auxlllarles 191