Explanation

We use should after lest.

Lest means کہیں ایسا نہ ہو

Walk with care lest you should fall down احتیاط سے گھومنا کہیں ایسا نہ ہو گرجاؤ

Explanation

We use of with worthy.

Worthy of means اہل

Your remarks are really worthy of note.

Explanation

 "Call on" means to visit someone, especially formally.

So:

"Mr. Steward will call on you at 8.00 P.M."

مسٹر اسٹیورڈ آپ سے شام 8 بجے ملاقات کریں گے۔

Explanation

The sentence describes a past continuous action interrupted by another past action.

So:

"He was sleeping when the doorbell rang."

جب دروازے کی گھنٹی بجی، وہ سو رہا تھا۔

Explanation

 Some people lack access to clean water

کچھ لوگ صاف پانی تک رسائی سے محروم ہیں۔

The word "to" is used before an infinitive verb, which in this case is "access."

We use "to" here because "lack access" is a verb phrase, and "to" is required when expressing access to something

Explanation

He went to bathe in the canal.

It means he went to wash or swim in the canal.

"Bathe" is a verb, while "bath" is a noun.

Explanation

He intends to quit his job until his pay increases.

Until is a conjunction here. 

Until means جب تک 

agm.04.03.23

Explanation

Usage of “From” and “Of”

Wine is made from grapes. (Material has lost its original composition)

The table is made of wood. (Material remain unchanged)

Explanation

He got tired because of over work.

Because: کسی وجہ کو ظاہر کرتا ہے

Because is a conjunction. 

Explanation

Break in means اچانک گھسنا

Break off means to take a break.

Break off means وقفہ لینا

The judge broke off court proceedings until after lunch.