TL

Present Perfect

Thì hiện tại hoàn thành

(+) S + have / has + V3

(−) S + have / has + not + V3

(?) Have / Has + S + V3?

Wh- + have / has + S + V3?

Quy tắc thêm -edVí dụ
Thêm -edtalk → talked, want → wanted
Tận cùng e: thêm -duse → used, smile → smiled
Phụ âm + y: y → i + edcopy → copied, cry → cried
1 nguyên âm + 1 phụ âm (trọng âm cuối): gấp đôi phụ âmstop → stopped, commit → committed
Tận cùng c: thêm k + edtraffic → trafficked
Bất quy tắcbuy → bought, drink → drunk, eat → eaten

Cách dùngVí dụ
Bắt đầu trong quá khứ, còn tiếp tục đến hiện tạiThey have been married for 5 years.
Trải nghiệm đến hiện tạiI have never visited Europe.
Vừa mới xảy ra, gần đâyShe has just finished her homework.
Đã xảy ra, không rõ thời gianShe has left her bag on the bus.

Dấu hiệuVí dụ
for + khoảng thời gian; since + mốc thời gianWe haven’t met him for 2 weeks. She has played the piano since she was 5.
so far, until now, up to nowMy shop has received 4 orders so far.
ever, never, … times, the first timeThis is the first time I have tried sushi.
So sánh nhất + have everHe is the tallest man that I have ever met.
just, recently, latelyWe have just come back from Africa.
already, yet, stillThey haven’t painted the room yet.