Error (Auxiliary & Modal Verb)

Error (Auxiliary & Modal Verb)

Auxiliary verbs (Helping verb)

• BE

• DO

• HAVE

Modal auxiliaries are can, could, may, might, must, 

shall, should, will, and would.

• Modal verbs always follow by V1 (base form)

Multiple Choice

I _____ a nap in the afternoon but now I don't.

• am used to taking
• used to take

I used to take a nap in the afternoon but now I don't.

• used to+ vb表示过去的习惯。

Multiple Choice

I ___ spicy food now.

• am used to eating
• used to eat

I am used to eating spicy food now.

• be used to + v-ing 表示‘习惯于，，

• 利用‘be’的变体，可用于各种时态。

  比较：She has been used to waking up early.

Multiple Choice

A: Could I use your phone?

B: Yes, you ____.

• could

• can

A: Could I use your phone?

B: Yes, you can.

• can = 可以

Multiple Choice

A: Must we climb over the fence?

B: No, you ____.

• mustn't

• needn't

A: Must we climb over the fence?

B: No, you needn't.

• needn't:不必

Multiple Choice

A: Need she leave the room?

B: Yes, she ____.

• need

• must

A: Need she leave the room?

B: Yes, she must.

• must:必须

Multiple Choice

You _____ the lottery ticket yesterday.

• should buy
• should have bought

You should have bought the lottery ticket yesterday. 

• should have + pp表示‘过去应做而未做’，

  有责备之意。

Multiple Choice

Peter seems unhappy. He ____ with his girlfriend.

• must quarrel
• must have quarrelled

Peter seems unhappy. He must have quarrelled with his girlfriend.

• must have + pp表示‘对过去某事的推测’

Multiple Choice

___ I start the meeting?

• Will
• Shall

Shall I start the meeting?

• shall用于‘建议、提供帮助和征求意见’时

Multiple Choice

It is moving. It ____ a rope. It must be a snake.

• mustn’t be
• can't be

It is moving. It can't be a rope. It must be a snake.

• must be用于‘肯定’推测。

• can’t be用于‘否定’推测。

Multiple Choice

A: Can somebody mop the floor?

B: I ___.

• shall

• will

A: Can somebody mop the floor?

B: I will.

• ‘will’表示‘愿意’或‘决心’做某事