Make the positive present perfect
1) (I / study / French) .
2) (She / eat / octopus) .
3) (They / go / to Scotland) .
4) (We / read / that book) .
5) (He / live / here for three years) .
6) (You / know / David for ten years) .
7) (We / be / here for two weeks) .
8) (I / lose / my keys) .
9) (He / drink / too much coffee) .
10) (They / miss / the train) .
11) (She / go / to Peru) .
12) (We / eat / too much chocolate) .
13) (I / have / breakfast this morning) .
14) (John / miss / the train) .
15) (Lucy / cook / breakfast) .
16) (They / write / to the politician) .
17) (You / find / your wallet) .
18) (I / meet / his mother) .
19) (We / try / roller-skating) .
20) (She / pass / the exam) .