Explanation

Across has two different meanings.

For Example: She has been waiting for me across the road.

For Example: A tree fell across the railway line that caused an accident

Explanation

The other is married = This is a sentence of passive voice.

Female married a male = Married to

Male married a female = Married with

Explanation

Certain words when used in “Active Voice”  are not followed by any preposition.

“Accompany, affect, consider, compromise, emphasize, resemble, ensure, attack, invade, order, reach, describe, discuss, tell” etc.

I consider him my best friend. 

Explanation

The “At” is used when you are at the top, bottom or end of something.

The house is at the end of the street. 

Explanation

"The sky is above our head".

It indicates the sky's position in relation to where we are.

It emphasizing that it is higher than us.

Explanation

The sentence should read: "This long illness has reduced him to a skeleton."

This is an idiomatic expression that means the illness has made him very thin and weak, almost to the point of being just a skeleton.

Explanation

The sentence should read: Should my brother come, give him this message.

میرا بھائی آئے تو اسے یہ پیغام دینا۔

"Should" is used here to express a conditional situation, meaning "If my brother comes."

It implies that the action of giving the message depends on the condition of his arrival.

Explanation

• The correct sentence would be: "She was the author of many books about the history of ancient Egypt."
• This means that she wrote books that explored the history of ancient Egypt as their subject matter.

Explanation

Everybody blamed him for the accident.

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blame for:

to think or say that someone or something is responsible for something bad blame somebody/something (for something) 

Explanation

The preposition "on" is used to indicate a position along a surface.

Such as walking "on" a road.