CT HTĐ :

`( + )` S + V (s/es)

`( - )` S + don't/doesn't + Vo

`( ? )` Do/Does + S + Vo?

`( Wh_? )` Wh_ + do/does + S + Vo?

CT HTTD :

`( + )` S + be + Ving

`( - )` S + be + not + Ving

`( ? )` Be + S + Ving?

`( Wh_? )` Wh_ + be + S + Ving?

Answer :

15. don't watch

16. helps

17. swim

18. dance

19. doesn't go

20. go

21. is playing

22. are singing

23. is making

24. am having

25. are studying

26. isn't playing

27. am not going

28. isn't studyding

29. doesn't go

30. is skipping

15. My sister and I always don't watch TV after dinner. (HTĐ)

16. She never helps me with homework. (HTĐ)

17. Martha and Kevin swim twice a week. (HTĐ)

18. In this club people usually dance a lot. (HTĐ)

19. Hoa doesn't go to school every Sunday. (HTĐ)

20. On the weekends, Leo and his dad often go swimming at the lake. (HTĐ)

21. Look! He is playing soccer in the school yard. (HTTD)

22. Listen! They are singing an English song. (HTTD)

23. Dad, look! My brother is making pizza. (HTTD)

24. At present, I am having a pizza that made by my mother. (HTTD)

25. My friends and I are studying English now. (HTĐ)

26. My brother isn't playing games now. (HTTD)

27. I don't go shopping at present. (HTTD)

28. Luke isn't studying Japanese in the library. He’s at home with his friends. (HTTD)

29. Hoa doesn't go fishing in the winter. (HTĐ)

30. Her sister is skipping now. (HTTD)

* HTĐ (thì hiện tại đơn):

- Dạng khẳng định (+):

I / You / We / They  `\+`  Verb

He / She / It  `\+` Verb - s/es

- Dạng phủ định (-):

I / You / We / They  `\+`  do not (don't)  `\+` Verb

He / She / It  `\+`  does not (doesn't)  `\+` Verb

- Dạng nghi vấn (?):

Do  `\+`  I / You / We / They  `\+` Verb?

+ Yes, I / You / We / They do.

+ No, I / you / we / they do not (don't).

Does  `\+`  he / she / it  `\+` Verb?

+ Yes, he / she / it does.

+ No, he / she / it does not (doesn't).

* HTTD (thì hiện tại tiếp diễn):

- Dạng khẳng định (+):

I  `\+`  am  `\+`  Ving (Verb + ing)

You / We / They  `\+`  are  `\+`  Ving

He / She / It  `\+`  is  `\+`  Ving

- Dạng phủ định (-):

I  `\+`  am not  `\+`  Ving

You / We / They  `\+`  are not (aren't)  `\+`  Ving

He / She / It  `\+`  is not (isn't)  `\+`  Ving

- Dạng nghi vấn (?):

Wh...  `\+`  am (not)  `\+`  I  `\+`  Ving?

Wh...  `\+`  are (not)  `\+`  you / we / they  `\+`  Ving?

Wh...  `\+`  is (not)  `\+`  he / she / it  `\+`  Ving?

Chúc học tốt!  ^v^