Explanation

I swear to God

" swear to "somebody

"swear on" something (that)

for example :

in the above sentence, we use "swear to" " means "we  have sworn to tell the truth"

sentence example:

swear to God I had nothing to do with it.

Explanation

Generally preposition in is used for months, years, centuries and long periods.

Explanation

Explanation

Explanation

Do you know the reason for his absence?

کیا آپ اس کی غیر موجودگی کی وجہ جانتے ہیں؟

"For" is used to indicate the cause or explanation of something, in this case, his absence.

Explanation

Their wedding is on the eleventh of December.

The preposition "on" is used for specific dates and days.

Explanation

He is responsible for the project's success.

وہ اس منصوبے کی کامیابی کا ذمہ دار ہے۔

The correct preposition used with "responsible" is "for."

It indicating the duty or accountability for something.

Explanation

"You should be ashamed of lying"

تمہیں جھوٹ بولتے ہوئے شرم آنی چاہیے

OF is the proper way to express that someone should feel shame because of their action of lying.

Explanation

In English, the verb "marry" does not require a preposition. The correct sentence is:
"He has married a doctor."

Explanation

He can swim in the pool.

The preposition "in" is used to indicate being inside a place or enclosed area.