It is used to show that a work has been done. It has already been completed and the same is over now.

For Example :

• Sam has painted a picture.
• Boys have finished their homework.

In this tense the words “has” & “have” are used with third form of verb.

AFFIRMATIVE SENTENCES

• With First person, Second person singular and plural and third person plural ‘have’ is used with third form of verb.
• With third person singular ‘has’ is used with third form of verb.

For Example :

• I have written a letter to him.
• He has committed a mistake.
• Children have finished their work.
• We have taken our meals.

NEGATIVE SENTENCES

In negative sentences with ‘has & have’ not and third form of verb is used.

For Example:

• Boys have not gone to school today.
• She has not done her work.
• I have not taken my meals today.
• You have not made any mistake.

INTERROGATIVE SENTENCES

In Interrogative sentences

• For First Person,second person singular and plural and third person plural the word have is used before subject.
• For third person singular the word has.
• At the end of the sentence Interrogative sign is used.

For Example:

• Has he gone to the market ?
• Have you taken your meals?
• Have they lent you any money?
• Has the girl finished her work?

Similarly in interrogative negative sentences, “Has” “Have” is used before the subject and not issued before third form of verb.

For Example:

• Have you not gone to school today?
• Has she not finished her work ?
• Have I not consulted you?
• Have the girls not sung a song?