1. The movie is fantastic which they are talking about it.

 WHICH: Làm chủ ngữ hoặc tân ngữ, thay thế cho danh từ chỉ vật.

….N (thing) + WHICH + V + O

….N (thing) + WHICH + S + V

2. Mary phoned me whom you invited to your party yesterday.

WHOM: Làm tân ngữ, thay thế cho danh từ chỉ người.

…..N (person) + WHOM + S + V

3. Were to take good care of the car, it wouldn't break down so often

Đảo ngữ câu điều kiện loại 2: Were S + to V/ Were S, S + would/could/might + V

4. Jim told me that I could stay in his house when he was on holiday

S + say(s)/said + (that) + S + V

said to + O ->told+O

1. The movie which they are talking about is fantastic.

2. Mary whom you invited to your party yesterday phoned me.

3. Were I to take good care of the car, it wouldn't break down so often.

4.  Jim said I could stay at his(her) house when he(she) was on holiday.