V. Write sentences with the first conditional. 1. If / Mike / fail / his exams / his dad / be / angry. 2. Our teacher / be / happy / if / we / tidy / our desks. 3. If / the sun / shines / we / go / to the lake. 4. If / Mum / not come / home soon I /cook / dinner. 5. We / cross / the Atlantic / if / we / sail / to New York. 6. I / not have / a good time / if / my friends /not be / at the party.

Phương pháp làm:

Bước 1: Đọc câu hỏi kỹ và hiểu yêu cầu.
Bước 2: Nhìn vào các từ/cụm từ gạch chân trong câu hỏi để xác định loại câu điều kiện (first conditional).
Bước 3: Xác định các thì và cấu trúc câu phù hợp với câu điều kiện (if cluase + main clause).

Câu trả lời:

1. If Mike fails his exams, his dad will be angry.
If Mike doesn't fail his exams, his dad won't be angry.

2. Our teacher will be happy if we tidy our desks.
Our teacher won't be happy if we don't tidy our desks.

3. If the sun shines, we will go to the lake.
If the sun doesn't shine, we won't go to the lake.

4. If Mum doesn't come home soon, I will cook dinner.
If Mum does come home soon, I won't cook dinner.

5. We will cross the Atlantic if we sail to New York.
We won't cross the Atlantic if we don't sail to New York.

6. I won't have a good time if my friends aren't at the party.
I will have a good time if my friends are at the party.

6. I will not have a good time if my friends are not at the party.

5. If we sail to New York, we can cross the Atlantic.

4. If Mum does not come home soon, I will cook dinner.

3. We will go to the lake if the sun shines.