An imperative sentence gives a command, request, or instruction.
Example: Please close the door. or Sit down.
It was warm, so I put off my coat.
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put off. verb. cause to feel intense dislike or distaste.
Our home is built of bricks means ہمارا مکان اینٹوں سے بنا ہوا ہے
The bag is made of leather.
The window is made of glass.
We use Present Perfect Tense for actions we have done once in our lives.
Examples:
It's the first time I have visited Karachi.
It's the first time I have eaten sea-food in my life.
It's the first time she has won the match.
We generally use with after entrust.
With is a preposition here.
Entrust with means to assign the responsibility.
Entrust with means ذمے داری سونپنا
I entrusted him with this work میں نے اس کو یہ زمہ داری سونپ دی
Warn of خطرے سے خبردار کرنا
Warn against غلطی پر خبردار کرنا
We warned him of the danger.
Active Voice: Circumstances will oblige me to go.
Passive Voice: I shall be obliged to go by the circumstances.
Future Indefinite Tense
Active Voice Formula: Subject + Will/Shall + Verb (Ist form) + Object + (.) Passive Voice Formula: Convert Object to Subject + Will/Shall + Be + Verb (3rd form) + By + Convert Subject to Object + Remaining + (.)
I was surprised by the large number of people who came
میں آنے والے لوگوں کی بڑی تعداد سے حیران تھا
"The number of" is different and always takes a plural noun followed by a singular verb
the phrase "a large number of" is used to indicate that there were many people who came
If I knew her name, I would tell you means
اگر مجھے اس کا نام معلوم ہوتا تو میں آپ کو بتاتا
The second part of the sentence is in the past tense.
The verb to be used should also be in the same tense.
The past tense of the word "know" is "knew".
Therefore, the correct tense here is past tense and the verb used is "knew".