2cd : is
3rd : had
4th : play - don't play
5th : went
6th : I am doing
7th : was - speaking
8th : have - bought
9th : have - drunk
10th : haven't read (prétérit)
11th : sell
12th : written
13th : leave
14th : made
15th : takes
16th : May
17th : might
18th : must
19th : shouldn't
20th : mustn't
21th : can't
