Present Perfect Tense

Present Perfect Tense

The present perfect is a grammatical combination of the present tense and the perfect aspect, used to express a past event that has present consequences

Present Perfect Tense using the type of “TO BE 3” and “VERB 3“. TO BE 3 is: been

I, You, They, We, He, She, It  => been

I, You, They, We => have

He, She, It => has

 The formula of Present Perfect Tense using verbs 

+	Subject + Have/Has + Verb 3 + Object
-	Subject + Have/Has + NOT + Verb 3 + Object
?	Have/Has + Subject + Verb 3 + Object?
?	Question Word + Have/Has + Subject + Verb 3 + Object?

The formula of Present Perfect Tense non verbs

+	Subject + Have/Has + To be 3 + Non Verb + Object
-	Subject + (Have/Has + NOT) + To be 3 + Non Verb + Object
?	Have/Has + Subject + To be 3 + Non Verb + Object?
?	Question Word + Have/Has + Subject + To be 3 + Non Verb + Object?

 The exemple of Present Perfect Tense using verbs :

+	I have lived here for 2 years.
-	I have not (haven't) lived here for 2 years.
?	Have you lived here for 2 years? Answer : Yes, I have, atau No, I have not (haven't)
?	Why Have you lived here for 2 years? Who has killed her father?

The exemple of Present Perfect Tense non verbs :

+	She has been here for 4 hours
-	She has not (hasn't) been here for 4 hours
?	Has she been here for 4 hours?
?	Where have you been for the last 4 hours?

Function of present perfect tense is  :

1.   to show past events regardless of when exactly happened.

2.   to show that an action happened many times in the past

3.   to show any activity or situation that began in the past and then continued to the present

to discuss the events that had just occurred

Problem : still can not understand the present perfect tense in applying in conversation