Verbo regular: check - checked - checked
Forma simple | Forma com V-ing |
I could check you could check she could check we could check you could check they could check | I could be checking you could be checking she could be checking we could be checking you could be checking they could be checking |
Perfeito | Perfeito com V-ing |
I could have checked you could have checked she could have checked we could have checked you could have checked they could have checked | I could have been checking you could have been checking she could have been checking we could have been checking you could have been checking they could have been checking |
Forma simple | Forma com V-ing |
I couldn't check you couldn't check she couldn't check we couldn't check you couldn't check they couldn't check | I couldn't be checking you couldn't be checking she couldn't be checking we couldn't be checking you couldn't be checking they couldn't be checking |
Perfeito | Perfeito com V-ing |
I couldn't have checked you couldn't have checked she couldn't have checked we couldn't have checked you couldn't have checked they couldn't have checked | I couldn't have been checking you couldn't have been checking she couldn't have been checking we couldn't have been checking you couldn't have been checking they couldn't have been checking |
Forma simple | Forma com V-ing |
could I check? could you check? could she check? could we check? could you check? could they check? | could I be checking? could you be checking? could she be checking? could we be checking? could you be checking? could they be checking? |
Perfeito | Perfeito com V-ing |
could I have checked? could you have checked? could she have checked? could we have checked? could you have checked? could they have checked? | could I have been checking? could you have been checking? could she have been checking? could we have been checking? could you have been checking? could they have been checking? |
Forma simple | Forma com V-ing |
couldn't I check? couldn't you check? couldn't she check? couldn't we check? couldn't you check? couldn't they check? | couldn't I be checking? couldn't you be checking? couldn't she be checking? couldn't we be checking? couldn't you be checking? couldn't they be checking? |
Perfeito | Perfeito com V-ing |
couldn't I have checked? couldn't you have checked? couldn't she have checked? couldn't we have checked? couldn't you have checked? couldn't they have checked? | couldn't I have been checking? couldn't you have been checking? couldn't she have been checking? couldn't we have been checking? couldn't you have been checking? couldn't they have been checking? |