1. THE PRESENT
PERFECT TENSE
FORMULA :
SUBJECT + HAVE/HAS
+VERB 3
EXAMPLES :
1. I have studied english for 6 month
2. We have discussed about the problem
3. She has written the letter for you
4. He has gone an hour ago
HAVE for Subject
I/YOU/THEY/WE
HAS for Subject HE/SHE/IT
NOMINAL SENTENCE
It means the sentence is no verb
The formula:
SUBJECT + HAVE/HAS BEEN + Noun/adverb/
adjactive
Examples :
I have been full.
She has been here.
They have been at home since yesterday.
Definition of the present perfect tense
The present perfect is used to indicate a link between the
present and the past. The time of the action is before now but
not specified, and we are often more interested in the result
than in the action itself.