4. Read the Learn this! box. Then complete sentences 1-3 using the words in brackets. Do not change the words, but add extra words if necessary.
(Đọc Learn this. Sau đó hoàn thành các câu 1-3 bằng cách sử dụng các từ trong ngoặc. Không thay đổi các từ, nhưng thêm các từ bổ sung nếu cần thiết)
LEARN THIS! Advice
* We use 'should' and 'ought to' to give advice.
You should / ought to take a dictionary.
* The negative forms are 'shouldn't' and 'ought not to'. However, we often use 'I don’t think you should ...' instead.
I don't think you should carry too much money.
* We use 'Should I... ?' or 'Do you think I should / ought to... ?' to ask for advice.
Should I send a thank-you letter?
Do you think I ought to visit London?
1. You ___________ (ought / find out) about his hobbies.
2. I ___________ (think / should / send) him an email.
3. You ___________ (ought / take) a present for the parents.