I can push you can push he can push we can push you can push they can push
Forma con V-ing
I can be pushing you can be pushing he can be pushing we can be pushing you can be pushing they can be pushing
Perfecto
I can have pushed you can have pushed he can have pushed we can have pushed you can have pushed they can have pushed
Perfecto con V-ing
I can have been pushing you can have been pushing he can have been pushing we can have been pushing you can have been pushing they can have been pushing
Negación
Forma simple
I cannot push you cannot push he cannot push we cannot push you cannot push they cannot push
Forma con V-ing
I cannot be pushing you cannot be pushing he cannot be pushing we cannot be pushing you cannot be pushing they cannot be pushing
Perfecto
I cannot have pushed you cannot have pushed he cannot have pushed we cannot have pushed you cannot have pushed they cannot have pushed
Perfecto con V-ing
I cannot have been pushing you cannot have been pushing he cannot have been pushing we cannot have been pushing you cannot have been pushing they cannot have been pushing
Forma interrogativa
Forma simple
can I push? can you push? can he push? can we push? can you push? can they push?
Forma con V-ing
can I be pushing? can you be pushing? can he be pushing? can we be pushing? can you be pushing? can they be pushing?
Perfecto
can I have pushed? can you have pushed? can he have pushed? can we have pushed? can you have pushed? can they have pushed?
Perfecto con V-ing
can I have been pushing? can you have been pushing? can he have been pushing? can we have been pushing? can you have been pushing? can they have been pushing?
Forma interro-negativa
Forma simple
can I not push? can you not push? can he not push? can we not push? can you not push? can they not push?
Forma con V-ing
can I not be pushing? can you not be pushing? can he not be pushing? can we not be pushing? can you not be pushing? can they not be pushing?
Perfecto
can I not have pushed? can you not have pushed? can he not have pushed? can we not have pushed? can you not have pushed? can they not have pushed?
Perfecto con V-ing
can I not have been pushing? can you not have been pushing? can he not have been pushing? can we not have been pushing? can you not have been pushing? can they not have been pushing?