1.study
2.was learned
3.learned
4.studying
5.learn
6.learned
7.was learned
8.studies
9.learn
10.learned
11.learn
12.learn
13.learned
14.learn
15.learn
16.learn
17.study
18.studying
19.to study
20.study
21.was learning
22.study
23.studying
24.studied
25.studying
26.studying
27.learning
28.learns
29.learned
30.studying
31.learned
32.study
33.studying
34.studying
35.study
36.study
37.studying
38.to learn
39.was studying
40.was studying
Не уверен во всем,но я пытался