(1) Put the verbs in brackets in the correct tense.
1. Who....
...... (knock) at the door?
2. Burning of coal and oil ................... (release)
nitrogen oxide which ...
(cause)
breathing problems.
3. I....
(practice)
piano when she ............................... (come) in.
4. Hey boys! What ....
............. (you I fight) about.
5. On June 30, they.
...... (marry) for 30 years.
6. We .............................. (go) out only when the
rain...................... (stop).
Answers
Answer:
1). knocked
2) Releases and causes
3) was practicing
4) Were you fighting
5) Married
6) Will go and will
Explanation:
1) Who knocked at the door?
2) Burning of coal and oil releases nitrogen oxide which causes.
3) I was practicing .
4) Hey boys! What Were you fighting about .
5) On June 30, they Married for 30 years.
6) . We Will go out only when the
rain will stop.
we should use correct sentence form of the verb if used other incorrect form of the verb then the meaning of the sentence will change and it becomes wrong so we should use correct form so first we should learn that which helping verb is used with which word. so we should have knowledge about form of the verb .
We should also have knowledge about grammar and also know the meaning of the work which is very important to know otherwise we will not able to fill the correct form of the verb .
FINAL ANSWER - 1). knocked
2) Releases and causes
3) was practicing
4) Were you fighting
5) Married
6) Will go and will
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