they usually (not go )    don't go    to school by bike

-> I / we / you / they / A and B ( not V ) -> Don't V 
they (be )  are  beautiful

->We / you / they / A and B + are
they often (visit)     visit    their parents on Saturday

-> I / we / you /they / A and B (v ) -> V 
Mi and I always (go)   go    to the countryside

 -> I / we / you /they / A and B (v ) -> V 
He (not be )      isn't being   at home now

-> S + be + Ving + O/C 
look!He(water)    is watering       the trees in the morning

 -> S + be + Ving + O/C 
the sun (rise)        rises     in the East and (set)    sets    in the West 

 -> She / he / it / A ( V ) -> Vs, es 
they (make)    are making    noise in the class now

 ->S + be + Ving + O/C 
Kien and Tuyen (be)     are   good students 

 - We / you / they / A and B  +are

ĐÁP ÁN VÀ GIẢI THÍCH ĐÂY NHA !!!!! 
$1.$ They usually don't go to school by bike

$2.$ They are beautiful

$3.$ They often visit their parents on Saturday

$4.$ Mi and I always go to the countryside

$5.$ He isn't being at home now

$6.$ Look!He is watering the trees in the morning

$7.$ The sun rises in the East and sets in the West 

$8.$ They are making noise in the class now

$9.$ Kien and Tuyen are good students 

$*$ GIẢI THÍCH CÁC BƯỚC GIẢI: 

$+$ Chia theo thì hiện tại đơn và hiện đại tiếp diễn 

$*$ CẤU TRÚC THÌ HIỆN TẠI TIẾP DIỄN: 
$(+)$ S + am/ is/ are + Ving
$(-)$ S + am/ is/ are + not + Ving
$(?)$ Am/ is/ are + S + Ving ?

$*$ CẤU TRÚC THÌ HIÊN TẠI ĐƠN 
$(+)$ S + Vbare/ Vs / Ves
$(-)$ S +do/ does + not + V 
$(?)$ Do/ does + S + V  ? 
$#tiendat37208$
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VOTE 5* VÀ XIN HAY NHẤT Ạ !!!!