I could pick you could pick she could pick we could pick you could pick they could pick
Forma com V-ing
I could be picking you could be picking she could be picking we could be picking you could be picking they could be picking
Perfeito
I could have picked you could have picked she could have picked we could have picked you could have picked they could have picked
Perfeito com V-ing
I could have been picking you could have been picking she could have been picking we could have been picking you could have been picking they could have been picking
Negação
Forma simple
I couldn't pick you couldn't pick she couldn't pick we couldn't pick you couldn't pick they couldn't pick
Forma com V-ing
I couldn't be picking you couldn't be picking she couldn't be picking we couldn't be picking you couldn't be picking they couldn't be picking
Perfeito
I couldn't have picked you couldn't have picked she couldn't have picked we couldn't have picked you couldn't have picked they couldn't have picked
Perfeito com V-ing
I couldn't have been picking you couldn't have been picking she couldn't have been picking we couldn't have been picking you couldn't have been picking they couldn't have been picking
Forma interrogativa
Forma simple
could I pick? could you pick? could she pick? could we pick? could you pick? could they pick?
Forma com V-ing
could I be picking? could you be picking? could she be picking? could we be picking? could you be picking? could they be picking?
Perfeito
could I have picked? could you have picked? could she have picked? could we have picked? could you have picked? could they have picked?
Perfeito com V-ing
could I have been picking? could you have been picking? could she have been picking? could we have been picking? could you have been picking? could they have been picking?
Forma interro-Negação
Forma simple
couldn't I pick? couldn't you pick? couldn't she pick? couldn't we pick? couldn't you pick? couldn't they pick?
Forma com V-ing
couldn't I be picking? couldn't you be picking? couldn't she be picking? couldn't we be picking? couldn't you be picking? couldn't they be picking?
Perfeito
couldn't I have picked? couldn't you have picked? couldn't she have picked? couldn't we have picked? couldn't you have picked? couldn't they have picked?
Perfeito com V-ing
couldn't I have been picking? couldn't you have been picking? couldn't she have been picking? couldn't we have been picking? couldn't you have been picking? couldn't they have been picking?