Explanation

A complex sentence is a sentence with one independent clause and at least one dependent clause.

It works best when you need to provide more information to explain or modify your sentence's main point.

Explanation

If I go, I will speak to her.

اگر میں جاتا ہوں تو میں اس سے بات کروں گا۔

In first conditional sentences, "will" is used to indicate what will happen if the condition is met.

Explanation

This is the second type of Conditional Sentences.

Formula: If + past simple, would/wouldn't + verb

If they had more money, they will buy a new house اگر ان کے پاس زیادہ پیسے ہوتے تو وہ نیا مکان خرید لیتے ہیں

Explanation

"If I had worked hard, I would have succeeded."

اگر میں محنت کرتا تو کامیاب ہوتا۔

This is an example of a third conditional sentence, used to express a hypothetical situation in the past and its possible result.

Explanation

The sentence should be: "If he had studied harder, he would have passed the exam."

This is a third conditional sentence used for hypothetical situations in the past.

Explanation

If it rains, we will stay indoors.

The first conditional expresses a real possibility in the future.

It using the present simple tense in the "if" clause and "will" in the main clause.

Explanation

If you heat ice, it melts.

A zero conditional sentence describes general truths or facts.

It uses the present simple tense in both the "if" clause and the main clause.

Explanation

Sympathy for someone means کسی کیلئے ہمدردی ہونا 

Examples: 

He has no sympathy for beggars. 

I have sympathy for you.

I have no sympathy for him.

Explanation

I was tired so I didn't go to the office.

میں تھک گیا تھا اس لیے آفس نہیں گیا۔

"So" indicates a cause-and-effect relationship between being tired and the decision not to go to the office.

Explanation

It was raining heavily, so they decided not to go outside.

تیز بارش ہو رہی تھی، اس لیے انہوں نے باہر نہ جانے کا فیصلہ کیا۔

This option correctly uses the infinitive form "not to go" to express their decision not to go out due to the weather.