1 go - go
2 are standing
3 are - are - are doing
4 is - is cooking
5 has - are

1. go-am going
2. is standing
3. are - are - are doing
4. is- is cooking
5.has- are

1. go-am going
2. is standing
3. are-are
4. is-is cooking
5. has-are

1. I often go to school on foot, but today I went by bus.
2. Look! Someone is standing next to our house.
3. Where are the children? They are at home. They are doing the homework.
4. It is 10 o'clock now. My mother is cooking lunch.
5. Lan has some new friends. They are very nice.

Chia động từ [ thì HTĐ và HTTD ]
1. I often (go)__go __ to school on foot , but today I (go) by bus .
2. Look ! Someone (stand)__standing__ next to our house .
3. Where (be)__are__ the children ?  They (be)__are__ at home . They (do)__do__ the homework .
4. It (be)__is__ 10 o'clock now . My mother (cook)__cooks__ lunch .
5. Lan (have) __has__ssome new friends . They  (be)__are__  very nice

1 go
2 is standing
3 are, are , do 
4 is , is cooking
5 has , are