Verbs : - These are words that refer to an action or a state of being. A sentence must have a verb or else it is incomplete. Along with nouns, verbs are the main part of a sentence or phrase, telling a story about what is taking place. In fact, without a verb, full thoughts can’t be properly conveyed, and even the simplest sentences, such as Maria sings, have one. Actually, a verb can be a sentence by itself, with the subject, in most case you, implied, such as, Sing! and Drive!

Example : - She eats chocolate cake on Sundays . Here , eats is a verb as it tells about the action performed by noun or pronoun .

Verbs take different forms according to the tense. The present tense form of the verb is called the base form.

Regular Verbs : - Verbs in the past tense and past participle form take an - ed or -en or -t. Such verbs, with the suffix  -ed, -en or -t are called regular verbs.

For Example : - I advised you to slow down. Here , advised is a regular verb as it ends with ed .

Irregular Verbs : - Verbs that do not have -ed, -en or -t as suffix in their past and past participle form are called irregular or strong verbs. catch and go have their past forms as caught and went and not the usual -ed or -en or -t in their past tense forms.

For Example: You should have seen Akash’s face when she got him surprise. Here , seen is a irregular verb as it has different past participle form . Seen is the third form of main verb see .

In the question

1. Have you ___________ about buying a new car ? In this sentence , the correct form of verb that can be placed in the blank part is thought as it is a regular form of verb and it is a past participle form of verb think .

2. This is the best report you have ever ____________ . In this sentence , the correct form of verb that can be placed in the blank part is written as it is a irregular form of verb and it is a past participle form of verb write .

Thus , the Correct Option is D , which is 1. Thought 2. Written .

Verbs : - These are words that refer to an action or a state of being. A sentence must have a verb or else it is incomplete. Along with nouns, verbs are the main part of a sentence or phrase, telling a story about what is taking place. In fact, without a verb, full thoughts can’t be properly conveyed, and even the simplest sentences, such as Maria sings, have one. Actually, a verb can be a sentence by itself, with the subject, in most case you, implied, such as, Sing! and Drive!

Example : She eats chocolate cake on Sundays . Here , eats is a verb as it tells about the action performed by noun or pronoun .

Regular Verbs : - Verbs in the past tense and past participle form take an - ed or -en or -t. Such verbs, with the suffix  -ed, -en or -t are called regular verbs.

For Example : - I advised you to slow down. Here , advised is a regular verb as it ends with ed .

Irregular Verbs : - Verbs that do not have -ed, -en or -t as suffix in their past and past participle form are called irregular or strong verbs. catch and go have their past forms as caught and went and not the usual -ed or -en or -t in their past tense forms.

For Example: You should have seen Akash’s face when she got him surprise. Here , seen is a irregular verb as it has different past participle form . Seen is the third form of main verb see .

In the question

1. She spoke too softly. I couldn't ______________ her. In this sentence , the correct form of verb that can be placed in the blank part is hear as it is the regular form of verb and ends with ed . Hear is the first form of hear .

2. I accidentally _____________ the document I was working on. In this sentence , the correct form of verb that can be placed in the blank part is closed as it is the regular form of verb and ends with ed . Closed is the third from of verb close .

Thus , the Correct Option is A , which is 1. hear 2. closed .

Verbs : These are words that refer to an action or a state of being. A sentence must have a verb or else it is incomplete.

Irregular Verbs : - Verbs that do not have -ed, -en or -t as suffix in their past and past participle form are called irregular or strong verbs.

For Example: You should have seen Akash’s face when she got him surprise.

Here , seen is a irregular verb as it has different past participle form . Seen is the third form of main verb see.

In the Question:-

Let’s _____ some of this lemonade.

 In this Question the correct irregular verb  that can be used is Drank as drank (drink) do not have -ed, -en or -t as suffix in its past and past participle form .Drank is the second form of main verb drink.

Thus, the correct option is B, which is Drank.