Công thức thì HTĐ (V: tobe)

(+) S + am/is/are ..

(-) S + am/is/are + not .. 

(?) Am/Is/Are + S + ... ? 

I + am

S số ít, he, she, it + is

S số nhiều, you ,we, they + are

Công thức thì HTĐ (V: thường)

S số ít, he, she, it 

(+) S + Vs/es

(-) S+ doesn't + V1 

(?) Does +S +V1?

S số nhiều, I, you, we, they

(+) S + V1 

(-) S+ don't + V1 

(?) Do + S+ V1? 

DHNB: always, usually, sometimes, often, never, seldom,....

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,.....

-----------------------------------------------

V)

1. is teaching 

2. isn't working / is swimming 

3. isn't Ann wearing 

4. is flying 

5. is Tom doing 

DHNB: now 

6. are you mending 

7. aren't telling / am not telling 

8. are you making / is coming 

9. is doing 

10. is sweeping 

VI) 

1. She is washing her hair.

2. It is snowing.

3. Jack and Rose are sitting on the couch.

4. It is raining heavily.

5. Linda is learning French.

VII) 

1. rains 

DHNB: often (HTD)

2. writes

DHNB: every Sunday night (HTD)

3. break / lands 

DHNB: every time (HTD) 

4. is playing 

5. lives / is staying 

DHNB: normally (HTD), at the moment (HTTD)

6. is waiting 

DHNB: Hurry up! (HTTD)

7. don't believe 

8. is working 

DHNB: at the moment (HTTD)

9. do you do 

10. write 

DHNB: every week (HTD)

`color{orange}{~MiaMB~}`