1. Formation
Formula:
have / has + Past Participle (V3)
For example: have worked / has gone
Subject + have/has + past participle (V3).
Rule details
A2 (Pre-Intermediate)
Formula:
have / has + Past Participle (V3)
For example: have worked / has gone
Subject + have/has + past participle (V3).
Example 1 (result):
I have finished my homework.
Example 2 (experience):
She has visited London several times.
Example 3 (recent completion):
He has just left the office.
Present Perfect vs Past Simple
Past Simple describes a finished action in the past with a specific time. Present Perfect highlights a connection to the present or life experience.
I visited London last year. I have visited London.
Present Perfect vs Present Perfect Continuous
Present Perfect shows a finished result; Present Perfect Continuous emphasizes duration or process.
I have written three emails. I have been writing emails for two hours.