I can climb you can climb he can climb we can climb you can climb they can climb
Forma con V-ing
I can be climbing you can be climbing he can be climbing we can be climbing you can be climbing they can be climbing
Perfecto
I can have climbed you can have climbed he can have climbed we can have climbed you can have climbed they can have climbed
Perfecto con V-ing
I can have been climbing you can have been climbing he can have been climbing we can have been climbing you can have been climbing they can have been climbing
Negación
Forma simple
I can't climb you can't climb he can't climb we can't climb you can't climb they can't climb
Forma con V-ing
I can't be climbing you can't be climbing he can't be climbing we can't be climbing you can't be climbing they can't be climbing
Perfecto
I can't have climbed you can't have climbed he can't have climbed we can't have climbed you can't have climbed they can't have climbed
Perfecto con V-ing
I can't have been climbing you can't have been climbing he can't have been climbing we can't have been climbing you can't have been climbing they can't have been climbing
Forma interrogativa
Forma simple
can I climb? can you climb? can he climb? can we climb? can you climb? can they climb?
Forma con V-ing
can I be climbing? can you be climbing? can he be climbing? can we be climbing? can you be climbing? can they be climbing?
Perfecto
can I have climbed? can you have climbed? can he have climbed? can we have climbed? can you have climbed? can they have climbed?
Perfecto con V-ing
can I have been climbing? can you have been climbing? can he have been climbing? can we have been climbing? can you have been climbing? can they have been climbing?
Forma interro-negativa
Forma simple
can't I climb? can't you climb? can't he climb? can't we climb? can't you climb? can't they climb?
Forma con V-ing
can't I be climbing? can't you be climbing? can't he be climbing? can't we be climbing? can't you be climbing? can't they be climbing?
Perfecto
can't I have climbed? can't you have climbed? can't he have climbed? can't we have climbed? can't you have climbed? can't they have climbed?
Perfecto con V-ing
can't I have been climbing? can't you have been climbing? can't he have been climbing? can't we have been climbing? can't you have been climbing? can't they have been climbing?