Bài 4 

I : is running

Ta chia thì HTTD : S + Be + V-ing

DHNB : sit down

2 buys

Ta chia thì HTĐ : S + Vs/es

DHNB : often

3 aren't drinking

Ta chia thì HTTD : S + be not + V-ing

DHNB : at the moment

4 are climbing

Ta chia thì HTTD : S + Be + V-ing

5 is crying

Ta chia thì HTTD : S + Be + V-ing 

DHNB : now

6 wear

ta chia thì HTĐ : S + Vs/es

DHNB : always

7 are you doing

HTTD Nghi vấn : BE + S + V-ing

8 eat

ta chia thì HTĐ : S + Vs/es

DHNB : never

9 sets off

ta chia thì HTĐ : S + Vs/es

DHNB : every fifteen minutes

10 aren't going

HTTD phủ định : S + BE NOT + V-ING

Bài 5 

1 He often has breafast late

HTĐ : S + Vs/es

DHNB : often

2 Are you doing the housework at the moment ?

HTTD : S + Be + V-ing

DHNB : at the moment

3 i don't go to school on weekends

HTĐ phủ định : S + don't / doesn't + V nguyên mẫu

4 JOnh's girlfreinds is wearing a red T- shirt now

HTTD : S + Be + V-ing

DHNB :now

5 Do they like beer or wine

HTĐ nghi vấn : do / does + S + V nguyên mãu ?

6 what does he usually do at night 

HTĐ nghi vấn : do / does + S + V nguyên mãu ? 

DHNB : usually

7 The teacher never loses his temper

HTĐ : S + Vs/es

DHNB : never

8 why are you listening to music loudly now ?

HTTD : Be + S + V-ING

DHNB : NOW

ĐÁP ÁN VÀ GIẢI THÍCH 

Bài 4. Bài tập hiện tại đơn, hiện tại tiếp diễn

1. Sit down! A strange dog (run) .....is running....... to you.

2. My mom often (buy) ...buys ... meat from the butcher's.

3. My brothers (not/ drink) ...aren't drinking...  coffee at the moment.

4. Look! Those people (climb)..are climbing...  the mountain so fast.

5. That girl (cry)...is crying.... loudly in the party now.

6. These students always (wear)..wear...  warm clothes in summer.

7. What (you/ do)..are you doing.... in the kitchen?

8. I never (eat)... eats... potatoes.

9. The 203 bus (set off)..sets off.. every fifteen minutes.

10. Tonight we (not/ go)...aren't going.. to our teacher's wedding party.

Bài 5. Bài tập hiện tại đơn, hiện tại tiếp diễn

1. He/ often/ have/ breakfast/ late.

He often has breafast late

2. You/ do/ the housework/ at the moment?

Are you doing the housework at the moment ?

3. I/ not/ go/ to school/ on weekends.

I don't go to school on weekends

4. John's girlfriend/ wear/ a red T-shirt/ now.

Jonh's girlfreinds is wearing a red T- shirt now

5. They/ like/ beer or wine?

Do they like beer or wine

6. What/ he/ usually/ do/ at night?

what does he usually do at night 

7. The teacher/ never/ lose/ his temper.

The teacher never loses his temper

8. Why/ you/ listen/ to music/ loudly now?

why are you listening to music loudly now ?

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