`12`. I am going to sit on that bench because I don't paint.

`-` Câu khẳng định ( thì TLG): S+ is/ am/ are+ going+ to V

`-` Câu phủ định ( thì HTĐ): S+ do/ does+ not+ V

`13`. Lee and Mel are having a night at their party place on Saturday.

`-` Câu khẳng định ( thì HTTD): S+ is/ am/ are+ Ving

`-` one's+ N

`-` on+ ngày

`14`. By this time next week, he will have been writing his novel for `6` months.

`-` by this time next week+ for `6` months: dấu hiệu thì TLHTTD

`-` Câu khẳng định ( thì TLHTTD): S+ will/ shall+ have+ been+ Ving

`-` one's+ N

`15`. Anne will have repaired her bike next week.

`-` Câu khẳng định ( thì TLHT): S+ will/ shall+ have+ Vpp

`-` one's+ N 

`-` next week: tuần tới

`12.` I am going to sit on that bench because I don't paint. 

`-` Thì TLG: S + am/is/are + going to + Vo + ...

`13.` Lee and Mel are having a night at their party place on Saturday.

`-` Thì HTTD: S + am/is/are + V-ing

`14.` By this time next week, he will have been writing his novel for 6 months.

`-` Thì TLHTTD: S + will + have been + V-ing +...

`15.` Anne will have repaired her bike next week.

`-` Thì TLĐ: S + will + Vo + ....