Exercise 1. Put the verbs in brackets in the correct form of conditional sentence type 1.
1. If we _____________ (send) an invitation, our friends _____________ (come) to our party.
2. He _____________ (not/ understand) you if you _____________ (whisper).
3. They _____________ (not/ survive) in the desert if they _____________ (not/ take) extra water with them.
4. If you _____________ (press) CTRL + S, you _____________ (save) the file. 5. You _____________ (cross) the Channel if you _____________ (fly) from Paris to London.
6. Fred _____________ (answer) the phone if his wife _____________ (have) a bath.
7. If Claire _____________ (wear) this dress at the party, our guests _____________ (not/ stay) any longer.
8. If I _____________ (touch) this snake, my girlfriend _____________ (not/ scream).
9. She _____________ (forget) to pick you up if you _____________ (not/ phone) her.
10. I _____________ (remember) you if you _____________ (give) me a photo.
Exercise 2. Put the verbs in brackets in the correct form of conditional sentence type 1.
1. If I _____________ (study) hard, I _____________ (improve) my English.
2. Theresa _____________ (go) to Japan if she _____________ (get) a cheap flight.
3. If her boyfriend _____________ (not call) today, she _____________ (leave) him.
4. If the phone _____________ (ring), _____________ (you/answer) it? 5. What _____________ (you/do) if you _____________ (not find) your wallet?
6. He _____________ (find) a part time job if he _____________ (keep) looking.
7. If you _____________ (feel) unwell tomorrow, _____________ (take) a rest.
8. If they _____________ (not tell) us, we _____________ (keep) asking. 9. _____________ (you/let) me go if I _____________ (promise) to come back early?
10. He _____________ (eat) some popcorn if he _____________ (feel) hungry.
Exercise 3. Put the verbs in brackets in the correct form of conditional sentence type 1.
1. If I _____________ (study), I _____________ (pass) the exams.
2. If the Sun _____________ (shine), we _____________ (walk) to the town.
3. If he _____________ (have) a temperature, he _____________ (see) the doctor.
4. If my friends _____________ (come), I _____________ (be) very happy.
5. If she _____________ (earn) a lot of money, she _____________ (fly) to New York.
6. If we _____________ (travel) to London, we _____________ (visit) the museums.
7. If you _____________ (wear) sandals in the mountains, you _____________ (slip) on the rocks.
8. If Rita _____________ (forget) her homework, the teacher _____________ (give) her a low mark.
9. If they _____________ (go) to the disco, they _____________ (listen) to loud music.
10. If you _____________ (wait) a minute, I _____________ (ask) my parents.
Exercise 4. Identify the one underlined word or phrase that must be changed to make the sentence correct:
1. If (A) someone came (B) into the store, smile (C) and say, “May (D) I help you?”
2. If (A) you do not understand (B) what were written (C) in the book, you could ask (D) Mr. Pike.
3. If (A) there isn't (B) enough food (C), we couldn't continue (D) our journey.
4. If (A) anyone will phone (B), tell (C) them I'll be (D) back at 11:00.
5. I will come (A) to meet Mr. Pike and tell him about(B) your problems if (C) you didn't solve (D) them.
1. will send
2. won't be
3. will become
4. win
5. Will we have to
1. No worries. The organisers will send us an invitation soon.
(Đừng lo. Bên tổ chức sẽ gửi lời mời cho chúng ta sớm thôi.)
Giải thích: Trong câu có "soon" => dùng thì tương lai đơn: S + will + V
2. Unless they behave, those children won’t be welcome here.
(Trừ khi chúng biểu hiện tốt, đám trẻ đó sẽ không được chào đón ở đây.)
Giải thích: Câu điều kiện loại 1: Unless + S + V(hiện tại đơn), S + will (won't) + V.
3. Do you think online learning will become the new mode of education?
(Cậu có cảm thấy học trực tuyến sẽ trở thành hình thức giáo dục mới?)
Giải thích: Nói về ý kiến nhận định cho sự việc trong tương lai => dùng thì tương lai đơn: S + will + V
4. If I win the competition, I will donate half of the prize money to charity.
(Nếu tôi thắng cuộc thi này, tôi sẽ khuyên góp phân nửa giải thưởng cho từ thiện.)
Giải thích: Câu điều kiện loại 1: If + S + V (hiện tại đơn), S + will + V
5. Will we have to keep to the left when we drive in Singapore next week?
(Liệu chúng ta sẽ phải đi ở bên trái khi chúng ta lái xe ở Singapore vào tuần sau không?)
Giải thích: Trong câu có "next week" => dùng thì tương lai đơn: S + will + V