Auxiliary Verbs - Explanations

Question 1
Question 2
Question 3
Question 4
Question 5
Question 6
Question 7
Question 8
Question 9
Question 10

1.

Question: Many second language learners are confuse the use of 'must' and 'should'.

Answer: Many second language learners confuse the use of 'must' and 'should'.

Explanation: Redundant auxiliaries (places where they are not necessary)
The auxiliary 'are' is not necessary when used with 'confuse'.
The auxiliaries be, do and will are often used unnecessarily.
I am usually go to church on Sundays.
He is comes from the Mainland.
Do any students will play football?
Will... play... / Do... play... ( )

2.

Question: I think high income earners must pay more tax.

Answer: I think high income earners should pay more tax.

Explanation: Confusion of auxiliaries
When you are expressing opinions it is better to be tentative (using 'should') rather than absolute (using 'must')
Look at the following examples:
I think smokers must (
) pay higher insurance premiums. should ( )
There's a police road block ahead. All cars should (
) stop. must/have to ( )
After considering all the applicants, I've decided that you should be (
) the best person for the job. are ( )
He is upset because he maybe needs (
) to take the course again. may need ( )

3.

Question: He was a natural tennis player so he must not train much.

Answer: He was a natural tennis player so he did not have to train much.

Explanation: Confusion of 'must' and 'have to'
This pair are often confused. Look at the following examples:
In the past, everyone must (
) pay for their own education. had to ( )
The airlines had high fares, so they mustn't (
) worry about their profit margins. didn't have to ( )
Because of his wealth, he mustn't (
) work. doesn't have to ( )
Why must (
) you go to work yesterday? did you have to ( )
You don't have to (
) look at your friend's password when she is logging on. It's private. mustn't ( )

4.

Question: I must to do some more work on this project before tomorrow.

Answer: I must do some more work on this project before tomorrow.

Explanation: Modals are usually followed by the infinitive form without 'to'
All modal auxiliary verbs except ought are followed by the infinitive form of a verb without to. Ought is followed by the infinitive form of the verb with to.
I must do my homework (I must to do (
) my homework.)
I ought to finish my essay. (I ought finish (
) my essay.)

5.

Question: I am pleased to hear that you are enjoyed reading our periodicals and wish to attend our seminar.

Answer: I am pleased to hear that you enjoyed reading our periodicals and wish to attend our seminar.

Explanation: Redundant auxiliaries (places where they are not necessary)

The auxiliary 'are' is not necessary when used with 'enjoy'.
The auxiliaries be, do and will are often used unnecessarily.
I am usually go to church on Sundays.
He is comes from the Mainland.
Do any students will play football?
Will... play... / Do... play... ( )

6.

Question: Before an aircraft takes off, the pilot should go through the regulation safety checks.

Before an aircraft takes off, the pilot must go through the regulation safety checks.

Explanation: In this example, it is a 'must' that the pilot goes through the safety checks. 'Should' is not strong enough.

The following pairs of auxiliaries are often confused
1 If you join the army, you  should (
) obey orders. must/have to ( )
2 After considering all the options, I've decided that the best thing to do should be (
) to hire one more person. is ( )
3 She maybe (
) on her way to work now. may be ( )
4 She is fed up because she maybe needs (
) to work next Saturday morning. may need ( )
5 I think polluting vehicles must (
) pay an environmental tax. should ( )

7.

Question: Some students are not care about politics.

Answer: Some students do not care about politics. (?)

Explanation:   are/do The appropriate auxiliary for a verb
There is often a confusion between using be or do. Be is used to form tenses or passive verb groups. Do is most commonly used in questions and negative clauses.
When babies first walk they are not know (
) where to go. do not know ( )
Some students are not care ( ) about their image  do not ( )
Are you watch TV yesterday?
Did
( )

8.

Question: This grammar exercise maybe a little difficult for some people.

Answer: This grammar exercise may be a little difficult for some people.

Explanation: May be v maybe
Be careful of the difference between may be (two words), which means that something is possibly the case, and maybe (one word = "perhaps").
The stock market may be ready to rise.
( ) Maybe we buy. ( )
(It is possible that this is so.) (Perhaps…)
There may be a good reason why he wasn't at work yesterday.
( ) Maybe we should talk to him. ( )
(It is possible that this is the case.) (Perhaps…)

9.

Question: Many people are experience problems when they first climb high mountains.

Answer: Many people experience problems when they first climb high mountains.

Explanation: Redundant auxiliaries (places where they are not necessary)

The auxiliary 'are' is not necessary when used with 'experience'.
The auxiliaries be, do and will are often used unnecessarily.
I am usually go to church on Sundays.
He is comes from the Mainland.
Do any students will play football?
Will... play... / Do... play... ( )

10.

Question: Some parents think that if they have a lot of children they mustn't worry about money.

Answer: Some parents think that if they have a lot of children they won't have to worry about money.

Explanation: Confusion of 'must' and 'have to'
This pair are often confused. Look at the following examples:
In the past, everyone must (
) pay for their own education. had to ( )
The airlines had high fares, so they mustn't (
) worry about their profit margins. didn't have to ( )
Because of his wealth, he mustn't (
) work. doesn't have to ( )
Why must (
) you go to work yesterday? did you have to ( )
You don't have to (
) look at your friend's password when she is logging on. It's private. mustn't ( )