1 where did you spend your summer holiday last year, Tam?
→ QKĐ nghi vấn : did + S + V nguyên mẫu
→ dấu hiệu nhận bt :last year
2 đúng nha
→ QKĐ : S + v-ed / v2
3 đúng nha
→ thì HTTD : S + be + V-ing
→ dấu hiệu nhận bt : at the moment
4 how long have you known Mrs. Chi? I (know) ___have known______ here for five years.
→ thì HTHT : how long + have / has + S + VPII
→ câu trl có cấu trsc : S + have / has + VPII + for + 1 khoảng TG
→ dấu hiệu nhận bt : for 5 years
5 đúng nha
→ trước since chia thì HTHT : S + have / has + VPII
→ sau since chia thì QKĐ : S + v-ed / v2