ĐÁP ÁN VÀ GIẢI THÍCH 

25____Is ________Hai (work).....working........... in the garden at the moment?

26.My brother (do)_______ is doing_______________his homework in his room now. He does it every day.

27.James and his brother (play)_______ are playing___________soccer at the moment. They (play) ________play_________ it every afternoon.

28.Where______ is __________the old man (live)______ living_____now?

29.Mr.Smith often (teach)__teaches __ class 4A,but this morning he (teach)_teaching____class 4B.

30 .It's 7.30 now. She (study)___is studying _______ science in the classroom.

- Trong bài có 2 từ " at the monent , now " là dấu hiệu nhận biết của thì HIỆN TẠI TIẾP DIỄN

CẤU TRÚC : 

S + am/is/are + V-ing

S + am/is/are + not + V-ing

Am/Is/Are + S + V-ing?

- Trong bài có 2 từ " every , often " là dấu hiệu nhận biết của thì hiện tại đơn 

CẤU TRÚC : 

S + V ( s,es ) + .....

S + do / does+ not + V + .....

Do / Does + S + V +......?

NHỚ CHO MÌNH 5* , CTLHN , CẢM ƠN NHA

25 : Is - working

Ta chia thì HTTD nghi vấn : Be + S + V-ing

DHNB : at the moment

26  is doing

Ta chia thì HTTD : S + be + V-ing

DHNB : now

27 are playing - play

Vế are playing ta chia thì HTTD : S + Be + V-ing

DHNB : at the moment

Vế play ta chia thì HTĐ : S + Vs/es

DHNB : every afternoon

28 is - living

Ta chia thì HTTD nghi vấn : Be + S + V-ing

DHNB : now

29 teaches - teaching

Vế teaches ta chia thì HTĐ : S + V/ses

DHNB : often

Cấu trúc : HTĐ + but + today / this morning + HTTD 

30 is studying 

Ta chia thì HTTD nghi vấn : Be + S + V-ing

DHNB : It;s 7 : 30 now