Resposta :
b) has written
c) has studied
d) has arrived
e) has decreased
f) has washed
i) have watched
have visited
k) have done
l) has had
m) has used
n) have gone
c) has studied
d) has arrived
e) has decreased
f) has washed
i) have watched
have visited
k) have done
l) has had
m) has used
n) have gone
Resposta:
B) wrote
C) studied
D) arrived
E) decreased
F) washed
I) watched
J) visited
K) did
L) haved
M) used
N) went
Explicação:
Quando quiser colocar um verbo no passado é só acrescentar "ed"
Ex: cook : cooked
visit : visited