cac ban hay viet cho minh cau truc cua cac thi: hien tai don , hien tai tiep dien , thi tuong lai don , thi qua khu , ti qua khu tiep dien , thi hien tai hoan thang , thi qua khu hoan thang tiep dien , thi tuong lai hoan thanh
Cau truc cua so sang hon so sanh hon nhat
Cac dong tu bat qua tac thuong gap trong tieng anh