21.I think people will live on space station in the future

22.Would you like to visit austronauts on space station?

23.We are using the automantic food machine to make lunch now.

24.My daught want to comes an astronaut when she grows up.

25.People in the future will drive cars.They will have flying cars

26.My father showed me an interesting movie about an astronaut yesterday.

27.Astronaut have eat dried food in bags

28.My little brother likes watching film about space station

29.Gravity makes things fall to the ground

30.In the futer, people won't cook anymore because they will use automatic food machine

Thì quá khứ đơn : 

+Động từ thường  :

(+) S + V_ed/qk + O

(-) S + did not + V + O

Thì tương lai gần will

(+)S + Will/shall + V(bare form)

(-)S + won't + V(bare form)

(?)Will + S + V(bare form) +...+?

Thì hiện tại đơn

(+) S + am/is/are + predicate

(-) S + am/is/are + not + predicate

(?) Am/is/are + S + predicate