Explanation

The idiom "talking twenty to the dozen" means to speak rapidly and without stopping.

For example, "He showed us around the house while talking twenty to the dozen".

Explanation

The idiom "make a beeline" means to move quickly and directly toward something.

It much like a bee flying straight to a flower.

Explanation

The sky was clear, and the sun was setting.

A compound sentence joins two independent clauses using a coordinating conjunction like "and."

Here, both "The sky was clear" and "The sun was setting" are independent clauses combined with "and."

Explanation

I will give you your present after you eat your dinner.

A complex sentence contains one independent clause and at least one dependent clause. 

Here, "I will give you your present" is the independent clause, and "after you eat your dinner" is the dependent clause.

Explanation

“Please bring me a sandwich,” said my friend.

This accurately represents a polite request made by the friend.

Explanation

The porter said, "I will take care of your baggage while you buy your ticket, Madam."

The sentence is in direct speech.

Present tense ("will" and "buy") is used because the event has not yet occurred, aligning with the porter’s respectful assurance.

Explanation

The doctor asked the patient how he felt then and if the pain had gone down.

In indirect speech, present tense changes to past tense, and "now" changes to "then."

This follows the rules of reported speech.

Explanation

In indirect speech, "Need I" changes to "if he had to," and "this chapter" becomes "that chapter" for proper tense and reported speech structure.

Explanation

Can I ever forget those happy moments?

The sentence is changed from passive to active voice, maintaining the same meaning while restructuring it.

Explanation

The last day's play between Pakistan and Australia was disrupted by rain.

Given sentence is in simple past tense and it is in active voice.

Rule :

Subject + (was / were) + V3 + Optional Agents.