VI. THE PRESENT PERFECT TENSE: THÌ HIEÄN TAÏI HOAØN THAØNH
Caâu xaùc ñònh S + have / has + V- ed / -3
Caâu phuû ñònh S + have / has + not + V- ed / -3
Caâu nghi vaán Have / Has + S + V- ed / -3 ….?
* Caùch duøng:Thì hieän taïi hoaøn thaønh dieãn taû:
- Haønh ñoäng vöøa môùi xaûy ra trong quaù khöù
Ví duï: I have just finished my homework
- Haønh ñoäng hay söï kieän taïi moät thôøi ñieåm khoâng chaéc chaén trong quaù khöù
Ví duï: I have already seen that film
- Haønh ñoäng xaûy ra trong quaù khöù nhöng coøn lieân quan ñeán hieän taïi
Ví duï: She has studied French for three years
* Töø nhaän bieát: Just, already, yet, ever, so far, recently, lately, before, up to now, since, for
Since + a point of time ( moät ñieåm thôøi gian ) (Since 2011, Since January,…… )
For + a period of time ( moät khoaûng thôøi gian) ( For 5 years )
EXERCISES
* Complete the following senrences, using the present perfect tense
1. We ( not come ) to your house for two years.
2. She ( live ) here since last year.
3. He ( see ) you since yesterday?
4. Nam ( collect ) stamps since 1999.
5. You ( finish ) your composition yet? – Yes, I have.
Loga
Sinh Học lớp 12
