First, I teach children English and other subjects.
= > First, I want to teach children English and some other subjects.
We help them play some games, it is funny.
= > Second, we will help them to play some games, it's will be fun.
= >Then, we help the farmer collect their harvest. = > X ( Poor children not the farmers )
= > Some of us plant trees along the street and clean the village.
= > Some of us will plant trees along the street and clean the village.