Question

I _____ thought about this before I came here. (shall/should have)
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Answer 1

Given :- I _____ thought about this before I came here. (shall/should have)

Answer :- I should have thought about this before I came here.

Explanation :-

• 'should have' = is a modal verb that indicates obligation in the past .
• Used = In a past action which didn't happen or to give the advice and to regret .

therefore, we can conclude that,

" I should have thought about this before I came here. "

Learn more :-

(D) Give answer in one word.

1. The amount given to a man who has retired

2. An instrument used on ships to show direct...

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Answer 2

I should have thought about this before I came here

• Shall is the verb. It expresses the future tense. The word "shall" is used with first, second, and third-person pronouns.

• The verb 'Shall' is used to express the future tense whereas 'should' is the past tense of shall.

• Should is the past tense of shall. It is the modal auxiliary verb. It is used to indicate something that is probable.

• Hence, the correct sentence is "I should have thought about this before I came here".