` 4 ` : do you do - go
` -> ` Thì HTĐ nghi vấn ;DO /does + S + V nguyên mẫu
` -> ` DHNB : often
` 5 ` : is washing
` -> ` Thì HTTD : S + be + V-ing
` 6 `: am writting
` -> ` Thì HTTD : S + be + V-ing
` 7 ` : are you doing - am looking
` -> ` Thì HTTD : S + be + V-ing
` 8 ` : are playing
` -> ` Thì HTTD : S + be + V-ing
` -> ` DHNb : at present
` 9 ` : does he do - reads
` -> ` Thì HTĐ nghi vấn ;DO /does + S + V nguyên mẫu
` -> ` DHNB : in his free time / usually
` 10 ` are you wearing - looks
` -> ` Vế are you wearing ta chia thì HTTD : S + be + V-ing
` -> ` Vế looks ta chia thì HTĐ : S + vs/es