1.am studying
2.is lying (at the moment → thì HTTD)
3.work (usually → thì HTĐ)
4.rains (always → Thì HTĐ)
5.are saying - is talking ( để nói về hành động đang xảy ra → Thì HTTD)
6.currently writes
7.do you want ( một lời đề nghị → HTĐ).
8.makes
9.am having (look ! → Thì HTTD)
10.am holding ( look → thì HTTD)
11.makes - doesn't make
12.is falling
13.are becoming
14.needs
15.doesn't taste
16.see
17.sounds
18.reads - think - is reading
19.take
20.does your brother do