Verbo regular: alternate - alternated - alternated
Forma simple | Forma con V-ing |
I could alternate you could alternate she could alternate we could alternate you could alternate they could alternate | I could be alternating you could be alternating she could be alternating we could be alternating you could be alternating they could be alternating |
Perfecto | Perfecto con V-ing |
I could have alternated you could have alternated she could have alternated we could have alternated you could have alternated they could have alternated | I could have been alternating you could have been alternating she could have been alternating we could have been alternating you could have been alternating they could have been alternating |
Forma simple | Forma con V-ing |
I couldn't alternate you couldn't alternate she couldn't alternate we couldn't alternate you couldn't alternate they couldn't alternate | I couldn't be alternating you couldn't be alternating she couldn't be alternating we couldn't be alternating you couldn't be alternating they couldn't be alternating |
Perfecto | Perfecto con V-ing |
I couldn't have alternated you couldn't have alternated she couldn't have alternated we couldn't have alternated you couldn't have alternated they couldn't have alternated | I couldn't have been alternating you couldn't have been alternating she couldn't have been alternating we couldn't have been alternating you couldn't have been alternating they couldn't have been alternating |
Forma simple | Forma con V-ing |
could I alternate? could you alternate? could she alternate? could we alternate? could you alternate? could they alternate? | could I be alternating? could you be alternating? could she be alternating? could we be alternating? could you be alternating? could they be alternating? |
Perfecto | Perfecto con V-ing |
could I have alternated? could you have alternated? could she have alternated? could we have alternated? could you have alternated? could they have alternated? | could I have been alternating? could you have been alternating? could she have been alternating? could we have been alternating? could you have been alternating? could they have been alternating? |
Forma simple | Forma con V-ing |
couldn't I alternate? couldn't you alternate? couldn't she alternate? couldn't we alternate? couldn't you alternate? couldn't they alternate? | couldn't I be alternating? couldn't you be alternating? couldn't she be alternating? couldn't we be alternating? couldn't you be alternating? couldn't they be alternating? |
Perfecto | Perfecto con V-ing |
couldn't I have alternated? couldn't you have alternated? couldn't she have alternated? couldn't we have alternated? couldn't you have alternated? couldn't they have alternated? | couldn't I have been alternating? couldn't you have been alternating? couldn't she have been alternating? couldn't we have been alternating? couldn't you have been alternating? couldn't they have been alternating? |