Explanation

We use to for a direction.

To is a preposition here.

She went to the sea alone وہ اکیلے سمندر کی طرف چلی گئی

Explanation

"He has been trying to contact the nearest police station for the last twenty minutes." 

The time frame "for the last twenty minutes" indicates a continuous action that began in the past and continues up to the present.

This makes the present perfect continuous tense (has/have been + verb - ing) the most suitable choice.

Explanation

Conditional-2 refers to unreal or hypothetical situations in the present or future.

Structure: If + past simple, would + base verb

("If I were the head... I would relax...") fits this pattern.

Explanation

Eligible For something means کسی چیز کےلئے اہل ہونا

Explanation

If I had not caught him, he would have been drowned means اگر میں اسے نہیں پکڑتا تو وہ ڈوب جاتا

This is a conditional sentence.

Explanation

In the First condition or Type 1 conditional clauses, the tense of the "if" clause is the present tense and the tense of the main clause is the future tense.

If clause (condition) Main clause (result)

If + simple present simple future

If this thing happens that thing will happen.

Explanation

This sentence belongs to the third type of conditional sentence.

In type 3 conditional sentences, the time is the past and the situation is hypothetical.

Formula: if + past perfect, …would + have + past participle.

Explanation

• If he  drove more carefully he would not cause an accident.
• This is a conditional sentence. 
• We use second form of a verb in such type of sentences.
• Drive is the first, Drove is the second and Driven is the third from of the verb.

Explanation

Even if she had asked them, they wouldn’t have come.

Formula for third conditional sentences: If + past perfect, would/wouldn't have + past participle.

Explanation

یہاں ولڈ استعمال ہوا لہذا اس کے ساتھ ور اے گا۔

incorrect:  If I am you, I would never invite her again

correct: If I were you, I would never invite her again

This is a hypothetical sentence. 

Were is used with I in such sentences.