`-` BĐ :

`+` TLG :

`*` KĐ : S + is / am / are + going to be + VpII ( by O )

`*` PĐ : S + isn't / 'm not / aren't + going to be + VpII ( by O )

`*` NV : Is / Am / Are + S + going to be + VpII ( by O )

`+` Have / Has to :

`*` KĐ : S + have / has + to be + VpII ( by O )

`*` PĐ : S + don't / doesn't + have to be + VpII ( by O )

`*` NV : Do / Does + S + have to be + VpII ( by O ) ?

`1`.

`-` These trees are going to be planted in the garden by my students tomorrow

`-` These trees aren't going to be planted in the garden by my students tomorrow

`-` Are these trees going to be planted in the garden by your students tomorrow ?

`=>` Yes , they are

`-` Where are these trees going to be planted by your students tomorrow ?

`2`.

`-` His children have to be helped everyday

`-` His children don't have to be helped everyday

`-` Do his children have to be helped everyday ?

`\text{# TF}`