Present Perfect Continuous / Present Perfect / Present Simple/ Present Continuous tense-forms.
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26 I have been borrowing
27 it has been raining
28 i have not seen  have done
29 is    is tallking
30 has collected
31 has believed
32 study
33 is getting
34 has
35 am talking
36 is cleaning
37 is looking
38 are becoming
39 is
40 is, has worked
41 has been trying  
42 are
43 has been investigating
44 is
45 camp
46 have been waiting
47 has made
48 is sitting
49 are going
50 are you cooking
51 argues, fights
52 am working
53 am breaking
54 are you doing