Conjugación del verbo inglés
CAN COLLAPSE

Verbo regular: collapse - collapsed - collapsed

Afirmación

Forma simple	Forma con V-ing
I can collapse you can collapse he can collapse we can collapse you can collapse they can collapse	I can be collapsing you can be collapsing he can be collapsing we can be collapsing you can be collapsing they can be collapsing
Perfecto	Perfecto con V-ing
I can have collapsed you can have collapsed he can have collapsed we can have collapsed you can have collapsed they can have collapsed	I can have been collapsing you can have been collapsing he can have been collapsing we can have been collapsing you can have been collapsing they can have been collapsing

Negación

Forma simple	Forma con V-ing
I cannot collapse you cannot collapse he cannot collapse we cannot collapse you cannot collapse they cannot collapse	I cannot be collapsing you cannot be collapsing he cannot be collapsing we cannot be collapsing you cannot be collapsing they cannot be collapsing
Perfecto	Perfecto con V-ing
I cannot have collapsed you cannot have collapsed he cannot have collapsed we cannot have collapsed you cannot have collapsed they cannot have collapsed	I cannot have been collapsing you cannot have been collapsing he cannot have been collapsing we cannot have been collapsing you cannot have been collapsing they cannot have been collapsing

Forma interrogativa

Forma simple	Forma con V-ing
can I collapse? can you collapse? can he collapse? can we collapse? can you collapse? can they collapse?	can I be collapsing? can you be collapsing? can he be collapsing? can we be collapsing? can you be collapsing? can they be collapsing?
Perfecto	Perfecto con V-ing
can I have collapsed? can you have collapsed? can he have collapsed? can we have collapsed? can you have collapsed? can they have collapsed?	can I have been collapsing? can you have been collapsing? can he have been collapsing? can we have been collapsing? can you have been collapsing? can they have been collapsing?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not collapse? can you not collapse? can he not collapse? can we not collapse? can you not collapse? can they not collapse?	can I not be collapsing? can you not be collapsing? can he not be collapsing? can we not be collapsing? can you not be collapsing? can they not be collapsing?
Perfecto	Perfecto con V-ing
can I not have collapsed? can you not have collapsed? can he not have collapsed? can we not have collapsed? can you not have collapsed? can they not have collapsed?	can I not have been collapsing? can you not have been collapsing? can he not have been collapsing? can we not have been collapsing? can you not have been collapsing? can they not have been collapsing?