Explanation

Past simple tense describes an action completed in the past.

“Went” is the past form of “go”, indicating the action already happened.

Explanation

The sentence “I have been working on the problem” uses have/has + been + verb-ing, which is the present perfect continuous tense.

It indicates an action started in the past and is still continuing or recently stopped.

Explanation

The provided sentence, "They have been working here since 1995,"

The sentence uses "have been working", which is the present perfect continuous tense.

Indicating an action that started in the past and is continuing.

Explanation

Salman is finishing work.  

The phrase "is finishing" uses the present continuous tense,

Which describes an action that is currently in progress.

Explanation

Ali always tells a lie.

علی ہمیشہ جھوٹ بولتا ہے۔

This is a declarative sentence in the simple present tense.

Verb: The verb is "tell."

Subject: The subject is "Ali," which is a singular third-person subject (he).

Simple present tense: For singular third-person subjects, you add an "-s" to the verb in the simple present tense.

Explanation

With “have/has/had”, the past participle form is used → seen.

Correct sentence: “I have seen a lion.”

Explanation

In a storm, two trees were blown down.

طوفان میں دو درخت اکھڑ گئے۔

The sentence is passive: trees (object) + be verb + past participle.

Pattern: was/were + past participle

blow → blown (past participle).

So:

Plural: Two trees were blown down.

Explanation

The Passive Voice of Interrogative Sentence of Present Indefinite Tense can be made by applying the following procedure:

Use helping verb is/are/am according to subject of Passive Voice sentence.

Convert the object of Active Voice Sentence into the subject.

Use the 3rd form of verb.

Then add the word “by”, in order to show the doer.

Then convert the subject of Active Voice Sentence into the object.

After that put the remaining words if there are any in Active Voice of Interrogative Sentence.

At the end use the sign of interrogation”?”, in order to show the interrogative nature of the sentence.

Explanation

Active Voice: You must obey your parents.

Passive Voice: Your parents must be obeyed by you.

Use be in passive voice.

Use third form of a verb in passive voice

Explanation

The sentence is in the past tense ("I saw"), so we use the past form of the verb: "did."