`1` .The birds are singing at 5 a.m

`2` .The dogs are barking at 7 am

`3` .Mrs.Thompson is getting up at 7.20 am

`4` .She is making her son's breakfast at 7.40 am

`5` .The mailman is delivering the letters at 7.50 am

`6` .Mrs Thompson's son is washing his face at 7.55 am

`7` .The Thompsons family are eating breakfast together at 8 am 

`8` .Mrs. Thompson is driving her blue car to work at 8.20 am 

`9` .My classmate is skipping rope in the playground 

`10` .My sister is studying in a international school 

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

`=>` cấu trúc hiện tại tiếp diễn:

`(+)` S `+` am/are/is `+` V-ing 

`(-)` S `+` am/are/is `+` not `+` V-ing 

`(?)` Am/are/is `+` S `+` V-ing 

`-` I `+` am

`-` He/she/it/danh từ không đếm được/danh từ đếm được số ít `+` is

`-` You/we/they/danh từ số nhiều `+` are

`=>` `DHNB`:

`-` các trạng từ : at the moment , at present , now ,right now....

`-` một số động từ : look! , listen ! , watch out !.... 

`1` The birds are singing at 5 a.m.

`2` The dogs are barking at 7 am.

`3` Mrs. Thompson is getting up at 7.20 am.

`4` She is making her son's breakfast at 7.40 am.

`5` The mailman is delivering the letters at 7.50 am.

`6` Mrs Thompson's son is washing his face at 7.55 am.

`7` The. Thompsons family are eating breakfast together at 8 am.

`8` Mrs. Thompson is driving her blue car to work at 8.20 am.

`9` My classmate is skipping rope in the playground.

`10` My sister is studying in a international school.

`=====`

`-` Thì HTTD: S + is/am/are + (not) + V-ing

`->` `(?)` Is/am/are + S + V-ing... ? 

`-` Trong đó:

`+` S số nhiều `->` are

`+` S số ít `->` is

`+` Chủ ngữ là I `->` am