giúp em với ạ mấy anh chị ới

Công thức thì HTTD 

(+) S + am/is/are + Ving 

(-) S + am/is/are + not + Ving 

(?) Am/Is/Are +S +Ving? 

DHNB: now, right now, (!), at present, at the moment,.....

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EX1:

1. is going

2. is watching

3. are having

4. is setting

DHNB: Look

5. is working

DHNB: at the moment

6. are playing

7. is washing

8. is telling

9. is traveling 

DHNB: at the moment

10. are spending

EX2:

1. are you shouting

2. is your aunt staying

DHNB: this week

3. Is Philip going

DHNB: this month

4. Are Jane and Paul living

DHNB: now 

5. Is John playing

DHNB: this afternoon 

6. Is Tom drinking

7. are you reading

DHNB: at the moment

8. is Jane studying

DHNB: this year

9. are the children doing

DHNB; this weekend

10. is Joan coming

EX3:

1. isn't working

DHNB: at the moment

2. am not going

3. isn't playing

DHNB: this afternoon

4. isn't going

5. aren't coming

6. don't feel 

feel k chia ở thì HTTD

7. aren't taking

DHNB: this year

8. isn't raining

DHNB: now 

9. isn't having

DHNB: today

10. aren't working

DHNB: next week

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