1.You shouldn't spend much time watching TV

You should..spend less time watching TV. (less)

2.I have a temperature. I feel tired

I.have a temperature and I feel tired.. (and)

3.You shouldn't eat more sweets because you many have a toothache

You should..eat less sweets because you may have a toothache. (less)

If you want to be fit and healthy, you should eat less junk food

If you..want to be fit and healthy, you should eat more vegetables.. (more vegetables) 

She has a fever. She should keep warm or go to the doctor and she shouldn't eat cold food

She has a fever. She should go to the doctor and she shouldn't go out.

She has a fever . She should go to the doctor and shouldn't eat unhealthy 

She has a toothache. She should go to dentist because she has a toothache . She shouldn't eat a lots of sweet because she has a toothache.

1. Tony should go to the dentist.

2. Quan should stay in bed.

3. Phong should take some medicines.

4. Phong should drink hot water.

1. He should go to the dentist and he shouldn't eat hard foods .

2. He should sit on the bed to rest the blanket and he shouldn't drinking water cold .

3 . He should go to the doctor and he shouldn't eat fast foods .

4. He should keep warm for the body and he shouldn't play outside the cold .

1. He should go to the dentist.

 He shouldn't eat a lot of sweets.

2.He should take a rest.

He shouldn't go out side.

3.He should go to the doctor.

He shouldn't eat unhealthy foods.

4.He should go to the doctor.

He shouldn't eat ice-cream.

Đáp án: should go

Dịch: Mai có một cái răng đau. Cô ấy nên đi gặp nha sĩ vào ngày mai.

FIND AND CORRECT THE MISTAKES IN THE FOLLOWING SENTENCES:

1. You should eat more sweets because you may have a toothache.          ______shouldn't_____

(dịch theo nghĩa: Bạn không nên ăn nhiều kẹo vì bạn sẽ bị đau răng)
2. It will be good for her if she relax more.          __relaxes________

(Đây là câu điều kiện loại 1 vì mệnh đề chính chia ở thì tương lai đơn mệnh đề if chia ở thì hiện tại đơn. Chủ ngữ số ít, ngôi số 3 (she) nên động từ phải thêm –s/es => relax ph chuyển thành relaxes)

3. You shouldn't take up a sport. It will make your health better.         ____should______

(Dịch theo nghĩa: Bạn nên chơi một môn thể thao vì nó sẽ tốt cho sức khỏe)

4. Drink more water but you will not be so thirsty.          __so________

(Dịch theo nghĩa: Uống nhiều nước thì bạn sẽ không cảm thấy khát nước)
5. He has a toothache, and he still eats a lot of sweet things.          ____but______

(Dịch theo nghĩa: Anh ấy bị đau răng nhưng anh ấy vẫn ăn rất nhiều đồ ngọt)

Example 1: Lan feels tired all the time.

To avoid being tired, she should rest more.

Example 2: Hung's eyes feel very dry. He plays computer games a lot.

To avoid having his eyes dry, he should rest his eyes and try the 20-20-20 rules: every minute look away about 20 feet for 20 second.

1. Fever ( Sốt )

2. Obesity ( Béo phì )

3. Sunburn ( Cháy nắng )

4. Flu ( Cúm )

5. Allergy ( Dị ứng )

6. Toothache ( Đau răng )

7. Cold ( Cảm lạnh)

8. Earache ( Đau tai )