Present perfect พูดถึงเหตุการณ์ .........
เหตุการณ์ที่เกิดตั้งแต่อดีตและส่งผลมาจนถึงปัจจุบัน
โครงสร้างของ present perfect tense คือ......
S+have/has +v.3 (past participle)
I _________ (study) Math since I was five.
Have studied
I know Sarah. I ________ (known) her for long time.
have known
I’ve lived in London _______(since/for)I was ten year olds.
since
What’s the past participle form of “sell””
sold
What’s past participle form of “wear”?
worn
She has ______(ever/never) written poem.
never
Have you _________(ever/never) been to Italy.
ever
She hasn’t called us ______(already/just/yet).
yet
John has ............. (already,yet,just) bought the tickets for the football match.
already
Betty: Have you cleaned the bathroom yet? Biw: I have ______(already/just/yet) done it.
just
