1.is playing 

-> Thì HTTD , dấu hiệu : look ! ( câu mệnh lệnh ) 

-> S+is/am/are +V-ing 

2.am not talking 

-> Thì HTTD , dấu hiệu at present 

-> S+am/is/are+not+V-ing ( is not = isn't , are not = aren't _ 

3. does she go / goes 

-> Thì HTĐ , dấu hiệu : often , once a year 

-> Do/does+S+V-inf 

-> He/she/it/danh từ số ít + V(s/es) + .......... 

4. Are / are 

-> your friends là số nhiều nên chia are 

-> Yes,S+is/am/are 

1. Look! Jane ( play ) .......is playing...... the guitar. This afternoon, she will play table tennis.

2. I ( not talk ) .....am not talking......... to her at present.

3. How often .......does....... she ( go ) .....go.......... fishing?