1 .You should be active and pay attention in class
-> If you are not active, you can't pay attention in class
Cấu trúc câu Đk loại 1, diễn tả hành động hoặc sự việc ử mệnh đề điều kiện có thể xảy ra ở hiện tại hoặc tương lai
2 .Davis is not smart , but he tries hard to be one of the top students in his school
-> Despite not being smart, Davis tries hard to be one of the top students in his school
Cấu trúc mệnh đề nhượng bộ "despite+ V-ing/ N/ N.P": mặc dù, dẫu
3.They whispered to each other because they didn't their parents to hear what they were saying (so as)
-> They whispered to each other so as not be heard what they were saying by their parents
Cấu trúc để làm gì "so as to+ V-bare"