6 begins - began - has - begun
7 writes - stayed - wrote - has written
8 see - saw - have seen
9 costs - cose
10 have - had - has had
11 doesn't drink - drank - has drunk
.6.begins-began-has begun
7.writes-stayed-wrote-has written
10.have-had-has had
11.doesn't drink-drank-has drunk
