Question

(1)I--------- on this line before I realized my mistake .(work,was work,an working,had worked)
(2) doctor -------- an operation option are(do, perform, is
performed ,done)
(3) I –-------- we should accept the offer . option are(think, will think ,should think ,)would think ​

Answer 1

Answer:

1. had worked

2. perform

3. think

Answer 2

Completed sentences with appropriate words are as follows:

(1) I had worked on this line before I realized my mistake.

(2) Doctor performed an operation.

(3) I think we should accept the offer.

Subject-verb agreement:

• Subject-verb The grammatical principle of the agreement states that the subject and main verb of a phrase must agree.
• According to linguistics, agreement or concord happens when a word adapts to the other words it is related to.
• It is an example of inflection and typically entails getting different words or sentence components to "agree" on the importance of a particular grammatical category.
• Particularly, solitary verbs are used with singular subjects, whereas plural verbs are used with plural subjects.
• Verbs and subjects must have the same number (singular or plural).
• As a result, a singular subject requires a singular verb, and a plural subject requires a plural verb. verbs DO NOT include a s in their single forms.

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