Tôi vừa mua ô tô. Bạn phải đến và xem nhé:

• I have been just bought a new car. You must come and see it.
• I has just bought a new car. You must come and see it.
• I have just bought a new car. You must come and see it.
• I bought a new car. You must come and see it.

Vụ tai nạn xảy ra cách đây 10 năm:

• The accident happened 10 years ago
• The accident happened 10 year ago
• The accident has just happened for 10 years
• The accident have happened since years

I /watch/ “Iron Man”/ several times.

• I has watched “Iron Man” several times.
• I have watched “Iron Man” several times.
• I have watched “Iron Man” for several times.
• I has been watched “Iron Man” several times.

Mr.Clark /work/ this bank/ 15 years.

• Mr.Clark worked in this bank since 15 years.
• Mr.Clark has worked in this bank since 15 years.
• Mr.Clark have been worked in this bank for 15 years.
• Mr.Clark has worked in this bank for 15 years.

How long has Mr John worked in the company?

• Mr John have worked in the company for 10 years
• Mr John have worked in the company for 10 year
• Mr John has worked in the company since 2004
• Mr John has worked in the company for 2004

How long have you played a computer game?

• I have plaied a computer game since a year
• I have played a computer game in a year
• I have played a computer game for a year
• I have plaied a computer game at a year

Mẹ cô ấy đã làm y tá ở bệnh viện đó được 10 năm:

• Her mother has been a nurse in that hospital in ten years
• Her mother has been a nurse in that hospital since ten years
• Her mother has been a nurse in that hospital during ten years
• Her mother has been a nurse in that hospital for ten years

Điện thoại di động làm cho cuộc sống của chúng ta dễ dàng và thoải mái:

• Mobile phones have make our life so easy and full of comforts.
• Mobile phones have made our life so easy and full of comforts.
• Mobile phones have made our life so easily and full of comforts.
• Mobile phones have make our life so easily and full of comfort.

Điện thoại thông minh ngày nay đã trở thành một hình thức liên lạc rất quan trọng.

• Smartphones have become a very important form of communication these days.
• Smartphones has become a very important form of communication these days.
• Smartphones have became a very importance form of communication these day.
• Smartphones has became a very important form of communication these days.

Sức khỏe của anh ấy được cải thiện đáng kể kể từ khi anh ấy tập thể dục:

• His health had improved dramatically since he started exercising.
• His health is improving dramatically since he started exercising.
• His health has improved dramatically since he started exercising.
• His health improves dramatically since he started exercising.