Verbo regular: congratulate - congratulated - congratulated
Afirmação
Forma simple
I could congratulate you could congratulate he could congratulate we could congratulate you could congratulate they could congratulate
Forma com V-ing
I could be congratulating you could be congratulating he could be congratulating we could be congratulating you could be congratulating they could be congratulating
Perfeito
I could have congratulated you could have congratulated he could have congratulated we could have congratulated you could have congratulated they could have congratulated
Perfeito com V-ing
I could have been congratulating you could have been congratulating he could have been congratulating we could have been congratulating you could have been congratulating they could have been congratulating
Negação
Forma simple
I couldn't congratulate you couldn't congratulate he couldn't congratulate we couldn't congratulate you couldn't congratulate they couldn't congratulate
Forma com V-ing
I couldn't be congratulating you couldn't be congratulating he couldn't be congratulating we couldn't be congratulating you couldn't be congratulating they couldn't be congratulating
Perfeito
I couldn't have congratulated you couldn't have congratulated he couldn't have congratulated we couldn't have congratulated you couldn't have congratulated they couldn't have congratulated
Perfeito com V-ing
I couldn't have been congratulating you couldn't have been congratulating he couldn't have been congratulating we couldn't have been congratulating you couldn't have been congratulating they couldn't have been congratulating
Forma interrogativa
Forma simple
could I congratulate? could you congratulate? could he congratulate? could we congratulate? could you congratulate? could they congratulate?
Forma com V-ing
could I be congratulating? could you be congratulating? could he be congratulating? could we be congratulating? could you be congratulating? could they be congratulating?
Perfeito
could I have congratulated? could you have congratulated? could he have congratulated? could we have congratulated? could you have congratulated? could they have congratulated?
Perfeito com V-ing
could I have been congratulating? could you have been congratulating? could he have been congratulating? could we have been congratulating? could you have been congratulating? could they have been congratulating?
Forma interro-Negação
Forma simple
couldn't I congratulate? couldn't you congratulate? couldn't he congratulate? couldn't we congratulate? couldn't you congratulate? couldn't they congratulate?
Forma com V-ing
couldn't I be congratulating? couldn't you be congratulating? couldn't he be congratulating? couldn't we be congratulating? couldn't you be congratulating? couldn't they be congratulating?
Perfeito
couldn't I have congratulated? couldn't you have congratulated? couldn't he have congratulated? couldn't we have congratulated? couldn't you have congratulated? couldn't they have congratulated?
Perfeito com V-ing
couldn't I have been congratulating? couldn't you have been congratulating? couldn't he have been congratulating? couldn't we have been congratulating? couldn't you have been congratulating? couldn't they have been congratulating?