1. David had gone home before we arrived. – After
⇒ After David had gone home, we arrived.
2. We had lunch then we took a look around the shops. – Before
⇒ Before we took a look around the shops, we had had lunch.
3. The light had gone out before we got out of the office. – When
⇒ When we got out of the office, the flight had gone out.
4. After she had explained everything clearly, we started our work. – By the time
⇒ By the time we started our work, she had explain everything clearly.
5. My father had watered all the plants in the garden by the time my mother came home. – Before
⇒ Before my mother came home, my father had watered all the plants in the garden.
1. We arrived after David had gone home.
- Thì QKĐ + after + thì QKHT.
2. We had had lunch before taking look around the shops.
- Thì QKHT + before + thì QKĐ.
- Before + V-ing(cùng chủ ngữ).
3. When we got out of the office, the flight had gone out.
- When + thì QKĐ, thì QKHT.
4. By the time we started our work, she had explain everything clearly.
- By the time + thì QKĐ, thì QKHT.
4. Before my mother came home, my father had watered all the plants in the garden.
- Before + thì QKĐ, thì QKHT.
Tiếng Anh hay Anh Ngữ (English /ˈɪŋɡlɪʃ/ ) là một ngôn ngữ German Tây, được nói từ thời thời Trung cổ tại Anh, ngày nay là lingua franca toàn cầu.Từ English bắt nguồn từ Angle, một trong những bộ tộc German đã di cư đến Anh (chính từ "Angle" lại bắt nguồn từ bán đảo Anglia (Angeln) bên biển Balt)
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