– Diễn tả một hành động xảy ra tại

– Diễn tả một hành động xảy ra tại một thời điểm không xác đi trong quá khứ.

Ex: Mary has come to Viet Nam. ( Mary vừa đến Việt Nam.)

– Diễn tả các hành động bắt đầu trong quá khứ, vẫn còn ở hiện tại và có thể tiếp tục trong tương lai.

Ex: She has lost her key. (Cô ấy vừa mất chìa khóa)

– Dùng để đưa thông tin về một sự việc vừa xảy ra.

Ex: The road is closed. There has been an accident. (Con đường đã bị chặn. Ở đây vừa xảy ra tai nạn.)

– Nhận dạng:

since + điểm thời gian

for + khoảng thời gian

– Phó từ đi kèm: already (rồi), just (vừa mới), yet (vẫn chưa), recently (gần đây), lately (gần đây), so far (mới đây), until now, up to now (tới giờ), …

– In the past / last few + Thời gian (months, days, years, …).

– Khi công bố ai đó vừa phát minh, sản xuất, khám phá hoặc sáng tác ra cái gì đó, ta dùng hiện tại hoàn thành.

Ex: Scientists have discovered that, all over the world, millions of frogs and toads are dying. (Các nhà khoa học đã phát hiện ra rằng, tất cả các nơi trên thế giới, hàng triệu con ếch và cóc đang chết dần.)

Kết quả (Anh) 1:

-A description of an action to occur at a time no body in the past.Ex: Mary has come to Viet Nam. (Mary had just come to Vietnam.)-Describe the action began in the past, is still in the present and can continue in the future.Ex: She has lost her key. (She has just lost the key)-Used to give information about an event that has just occurred.Ex: The road is closed. There has been an accident. (The road was blocked. Here just happened an accident.)-Identification:Since time points +for + time-Adverb comes: already (already), just (recently), yet (yet), recently (recently), lately (recently), so far (recently), until now, up to now (ever), ...-In the past, last few + time (months, days, years, etc.).-When someone has just announced the invention, production, explore or produce something, we use the present perfect.Ex: Scientists have discovered that, all over the world, millions of frogs and toads are dying. (The scientists have discovered that, all over the world, millions of frogs and toads are dying.)

Kết quả (Anh) 2:

- Describes an action happened at an unknown time in the past go.

Ex: Mary has come to Viet Nam. (Mary has come to Vietnam.)

- Describe the action started in the past, is still present and can continue in the future.

Ex: She has lost her Do key. (She just lost the key)

- Used to get information about an event that just happened.

Ex: The road is closed. There bị an accident. (The road was blocked. Here the accident happened.)

- Identification:

+ points since the time

period for +

- Adverbs come: already (before), just (just), yet (still yet), recently (recently), lately (recently), so far (recently), an until now, up to now (until now), ...

- In the past / last ít + Duration (months, days, years , ...).

- When someone has just announced the invention, production, discover or invent something, we use the present perfect.

Ex: Scientists have discovered that, all over the world, Millions of frogs and Toads are dying. (Scientists have discovered that, all over the world, millions of frogs and toads are dying.)