I could puree you could puree she could puree we could puree you could puree they could puree
Forma con V-ing
I could be pureeing you could be pureeing she could be pureeing we could be pureeing you could be pureeing they could be pureeing
Perfecto
I could have pureed you could have pureed she could have pureed we could have pureed you could have pureed they could have pureed
Perfecto con V-ing
I could have been pureeing you could have been pureeing she could have been pureeing we could have been pureeing you could have been pureeing they could have been pureeing
Negación
Forma simple
I couldn't puree you couldn't puree she couldn't puree we couldn't puree you couldn't puree they couldn't puree
Forma con V-ing
I couldn't be pureeing you couldn't be pureeing she couldn't be pureeing we couldn't be pureeing you couldn't be pureeing they couldn't be pureeing
Perfecto
I couldn't have pureed you couldn't have pureed she couldn't have pureed we couldn't have pureed you couldn't have pureed they couldn't have pureed
Perfecto con V-ing
I couldn't have been pureeing you couldn't have been pureeing she couldn't have been pureeing we couldn't have been pureeing you couldn't have been pureeing they couldn't have been pureeing
Forma interrogativa
Forma simple
could I puree? could you puree? could she puree? could we puree? could you puree? could they puree?
Forma con V-ing
could I be pureeing? could you be pureeing? could she be pureeing? could we be pureeing? could you be pureeing? could they be pureeing?
Perfecto
could I have pureed? could you have pureed? could she have pureed? could we have pureed? could you have pureed? could they have pureed?
Perfecto con V-ing
could I have been pureeing? could you have been pureeing? could she have been pureeing? could we have been pureeing? could you have been pureeing? could they have been pureeing?
Forma interro-negativa
Forma simple
couldn't I puree? couldn't you puree? couldn't she puree? couldn't we puree? couldn't you puree? couldn't they puree?
Forma con V-ing
couldn't I be pureeing? couldn't you be pureeing? couldn't she be pureeing? couldn't we be pureeing? couldn't you be pureeing? couldn't they be pureeing?
Perfecto
couldn't I have pureed? couldn't you have pureed? couldn't she have pureed? couldn't we have pureed? couldn't you have pureed? couldn't they have pureed?
Perfecto con V-ing
couldn't I have been pureeing? couldn't you have been pureeing? couldn't she have been pureeing? couldn't we have been pureeing? couldn't you have been pureeing? couldn't they have been pureeing?