For plural subjects use have. eg
We have eaten the cake. The policemen have eaten the cake. Have they eaten the cake?
For singular subjects use has. eg
She has eaten the cake. The policeman has eaten the cake. Has she eaten the cake?
The correct comparative form of "simple" is "simpler" and the correct superlative form is "simplest."
My correct form is an artificial intelligence assistant.
"You have begun" is correct.
The word "wolfs" is not correct. The correct spelling is wolves.
Neither. The correct form is 22 lakhs.Lac is lacquer, not a number.Neither. The correct form is 22 lakhs.Lac is lacquer, not a number.Neither. The correct form is 22 lakhs.Lac is lacquer, not a number.Neither. The correct form is 22 lakhs.Lac is lacquer, not a number.
"Where is she?" is the correct form to ask the question.
More correct
In the sentence 'She replied that she felt better' yes, felt is a correct form in this sentence.
The correct past tense form of "choose" is "chose." "Choosen" is not a correct form of the past tense.
The correct form of the verb "promise" in the sentence "He did as he promised." is already correct.
Indulge/indulges is the correct present tense form.
the correct form is donor as in a blood or organ donor.