Read the examples then put the verbs in brackets into the correct to-infinitive or -ing form. Explain the difference in meaning. (Đọc các ví dụ sau đó đặt các động từ trong ngoặc ở dạng chính xác to V hoặc -ing. Giải thích sự khác biệt về nghĩa.)

1. Don’t forget _________________ (buy) eco-friendly toothpaste.

3. This is Mr Jones. His wife works in the recycling centre. (WHOSE)

-> This is Mr Jones, _______________________________ the recycling centre.

2. Linda usually organises the meeting. She’s on holiday this week. (WHO)

-> Linda, _______________________________, is on holiday this week.

Complete the sentences using the words in bold. (Hoàn thành các câu có sử dụng các từ in đậm.)

1. Pass me the leaflets. We printed them yesterday. (WHICH)

-> Pass me the leaflets _______________________________ yesterday.

Put the verbs under the correct headings. (Đặt các động từ dưới các đề mục đúng.)

• plan           • can’t help      • let          • hate           • like            • would like    

• prefer         • want          • agree         • need          • would prefer       

• would rather        • had better            • don’t mind           • deny           

• finish         • can’t stand                     • enjoy             • promise         • expect

2. A: Would you prefer _____________________ (walk) or _____________________ (take) the train to work?

B: I prefer ______________________ (cycle) to work.

Read the sentences (1–3) and complete the rules (a–c) with the words in bold. (Đọc các câu (1–3) và hoàn thành các nguyên tắc (a – c) với các từ in đậm.)

1. A vacuum cleaner is a machine which/that we use to vacuum the carpets.

2. He’s the man whose sister eats organic food.

3. Sue is the girl who/that works at the local animal shelter.

We use:

a. _____________________ to refer to people.

b. _____________________ to refer to things.

c. _____________________ to refer to possession.

Fill in each gap with who, which, that or whose. Which clauses are defining (D)? Which are non-defining (ND)? Use commas where necessary. (Điền vào mỗi chỗ trống với who, which, that hoặc whose. Mệnh đề nào xác định (D)? Mệnh đề nào không xác định (ND)? Sử dụng dấu phẩy nếu cần thiết.)

1. My car, _____ I bought last week, is eco-friendly. ____