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1. It's very important to keep the environment clean. ( It's adj to V)
2. The time machine will be shown to the public when they finish it. ( câu bị động tương lai đơn will be V3/ed)
3. People recycle old car tires to make shoes and sandals. ( chuyển thành chủ động)
4. My father asked me to turn down the radio for him. ( asked sb to V)
5. If he didn't speak so quickly, I could understand him. ( câu điều kiện loại 2 If S + V2/ed, S + would V)
6. Smoke from mills, factories and industry can lead to health problems like asthma and lung diseases. ( lead to sth : dẫn đến) 
7. Because of her bad behaviour, we don't trust Lan. ( Because of + N/Ving : bởi vì)
8. In spite of taking a taxi, he still arrived late for school. ( In spite of N/Ving)

1. It's very important to keep the environment clean.

( It's adj to V)
2. The time machine will be shown to the public when they finish it.

( câu bị động tương lai đơn will be V3/ed)
3. People recycle old car tires to make shoes and sandals.

( chuyển thành chủ động)
4. My father asked me to turn down the radio for him.

( asked sb to V)
5. If he didn't speak so quickly, I could understand him.

( câu điều kiện loại 2 If S + V2/ed, S + would V)
6. Smoke from mills, factories, and industry can lead to health problems like asthma and lung diseases.

( lead to something: dẫn đến) 
7. Because of her bad behavior, we don't trust Lan.

(Because of + N/Ving )
8. In spite of taking a taxi, he still arrived late for school.

( In spite of /cụm dt/N/Ving)

xin hay nhất cho nhóm ạ