Question

(ix) Mohan posted the letter. (Add question tag)
(x) (a) I met Ramesh. (b) Ramesh had just arrived.
(Combine by using relative clause)
(xi) He shuts the gate. (Change the voice)
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Answer 1

Answer:

mohan posted the letter , didn't he?

Answer 2

(ix) Mohan posted the letter. (Add question tag)

Mohan posted a letter, didn't he?

• In the given sentence, the verb "posted" is in the simple past tense. So we use the question tag "didn't he".

• The given statement is a positive sentence. when we add a question tag, then the statement turns into a question.

• If the sentence is positive then we need to add a negative question tag whereas if the sentence is negative then we need to add a positive question tag.

(x) (a) I met Ramesh. (b) Ramesh had just arrived.

(Combine by using relative clause)

I met Ramesh who had just arrived.

The Relative clause is used to give extra information about the noun in the main clause without starting another sentence.

(xi) He shuts the gate. (Change the voice)

The gate is shut by him (Passive voice)

The given statement is in the simple present tense. so the structure of the passive statement is as follows :  

Passive: Obj + is/am/are + V3 + by + Sub.

• Keep in mind its tense while converting active to passive voice or vice verse. Exchange the places of the subject and object.

• While converting a sentence from active to passive, we should convert the main verb into its past participle which is also known as the third form of a verb.