1, There has been a slight drop in the number of people using public transport (slightly)
→
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2, Revising for exams takes up all my time at the moment (busy)
→
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3, There was an increased demand for travel , sothe government decided to invest in building the very first metro systems (as)
→
………………………………………………….
4, I don’t know much about historical events , so I can’t help her with her history homework (if)
→
…………………………………………………….
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viết câu trúc nhé
1, There has been a slight drop in the number of people using public transport (slightly) → ====-.. 2,
By Sadie
1. The number of people using public transport has dropped slightly.
drop(v) `to` drop slightly
2. I am busy revising for exams at the moment.
busy V-ing: bận làm gì
3. As there was an increased demand for travel, the government decided to invest in building the very first metro system.
as = because
4. If I knew much about historical events, I could help her with her history homework.
Câu điều kiện loại 2: If+ S+ V2/ed, S+ would/could+ V.
=>
1. The number of people using public transport has dropped slightly. ( drop là động từ -> cần trạng từ/ drop slightly : giảm nhẹ)
2. I am busy revising for exams at the moment. (busy Ving : bận làm gì)
3. As there was an increased demand for travel, the government decided to invest in building the very first metro system. ( as = because)
4. If I knew much about historical events, I could help her with her history homework. ( Câu đk loại 2 If S V2/ed, S would/could V)