Verbs

To smile as a verb means to make a smile appear on your face, typically as a response to feeling happy, amused, or pleased. You can smile at someone, smile for a photograph, or simply smile to show your emotions.

Hand can be a noun referring to the part of the body at the end of the arm, or it can be a verb meaning to pass or give something to someone. The context of the sentence will typically clarify whether it is being used as a noun or a verb.

The noun forms for the verb to replace are replacementand the gerund, replacing.

The past tense of 'is absent' is 'was absent'.

e.g. "Tim was absent that day."

The word "accessorize" is a transitive verb, as it takes an object to complete its meaning. It means to add accessories or adornments to something, such as clothing or an outfit.

A sentence without a subject and verb is called a fragment. Fragments are incomplete sentences that don't express a complete thought.

Pulled is the past tense and past participle of pull. Pulling is the present participle.

Yes, in a way. Gerunds are verb forms that function as nouns. For example "The law refers to smoking in public."

The past tense of "keep" is "kept" and the past participle is also "kept."

It can be:

They saw us.

Or it could be an indirect object:

They gave us the book.

It depends on the sentence.

It is an adjective (having great value or utility). The adverb form is importantly.

The present participle of "untie" is "untying."

Yes, "checking" is a verb. It is a present participle form of the verb "check."

will push -- I will push for a new law.

am/is/are going to push. -- We are going to push the car into the garage.

am/is/are pushing. -- They are pushing for the the world record tomorrow.

The noun forms for the verb to strengthen is strengthenerand the gerund, strengthening.

Supra-sentential linking refers to connecting ideas, themes, or elements that extend beyond the boundaries of a single sentence, often across multiple sentences or paragraphs. It involves creating cohesion and coherence in writing by establishing relationships between different parts of a text at a higher level than the sentence level.

they are happy this sentense is linking verb

Please do your homework regularly is an imperative sentence and has no subject but the subject (you) is implied.

So to make a passive sentence from an imperative sentence you can use the subject - you.

You have been told to do your homework regularly.

or you could say:

Let your homework be done regularly.

The verb of harassment is harass.

As in "to harass something or someone".