Have trouble/problem/difficulty + V-ing: gặp khó khăn khi làm gì
Convince /kənˈvɪns/ (v): try to make sb to believe that you are right (thuyết phục cho tin)
Alternative /ɔːlˈtɜː.nə.tɪv/ (n): changing (sự thay thế, lựa chọn khác)
Court /kɔːt/ (n): the area where basketball or tennis is played (sân chơi quần vợt/tennis)
Pitch /pɪtʃ/ (n): the area where cricket or football is played (sân bóng đá/cricket)
Track /træk/ (n): the area where racing horses/racing cars perform (đường đua ngựa, xe)
Draw /drɔː/ (n): no team win or lose (trận hòa)
After + S + had + V₃/ed, S + V₂/ed
Ex: After she had finished her homework, she watched TV.
(Sau khi cô ấy làm xong bài tập, cô ấy xem TV.)
Before + S + V₂/ed, S + had + V₃/ed
Ex: Before I went to bed, I had brushed my teeth.
(Trước khi đi ngủ, tôi đã đánh răng.)
By the time + S + V₂/ed, S + had + V₃/ed
Ex: By the time they arrived, the bus had left.
(Khi họ đến thì xe buýt đã rời đi.)
When + S + V₂/ed, S + had (already) + V₃/ed
Ex: When she called, he had already left.
(Khi cô ấy gọi thì anh ấy đã đi rồi.)
Examples:
When they arrived, the film had already started.
Before she left the room, she had turned off all the lights.
I had not lived on my own until last month.
