English verb conjugation
CAN OVERFLOW

Regular verb: overflow - overflowed - overflowed

Affirmation

Simple form	V-ing form
I can overflow you can overflow he can overflow we can overflow you can overflow they can overflow	I can be overflowing you can be overflowing he can be overflowing we can be overflowing you can be overflowing they can be overflowing
Perfect	V-ing perfect
I can have overflowed you can have overflowed he can have overflowed we can have overflowed you can have overflowed they can have overflowed	I can have been overflowing you can have been overflowing he can have been overflowing we can have been overflowing you can have been overflowing they can have been overflowing

Negation

Simple form	V-ing form
I cannot overflow you cannot overflow he cannot overflow we cannot overflow you cannot overflow they cannot overflow	I cannot be overflowing you cannot be overflowing he cannot be overflowing we cannot be overflowing you cannot be overflowing they cannot be overflowing
Perfect	V-ing perfect
I cannot have overflowed you cannot have overflowed he cannot have overflowed we cannot have overflowed you cannot have overflowed they cannot have overflowed	I cannot have been overflowing you cannot have been overflowing he cannot have been overflowing we cannot have been overflowing you cannot have been overflowing they cannot have been overflowing

Interrogative form

Simple form	V-ing form
can I overflow? can you overflow? can he overflow? can we overflow? can you overflow? can they overflow?	can I be overflowing? can you be overflowing? can he be overflowing? can we be overflowing? can you be overflowing? can they be overflowing?
Perfect	V-ing perfect
can I have overflowed? can you have overflowed? can he have overflowed? can we have overflowed? can you have overflowed? can they have overflowed?	can I have been overflowing? can you have been overflowing? can he have been overflowing? can we have been overflowing? can you have been overflowing? can they have been overflowing?

Interro-negative form

Simple form	V-ing form
can I not overflow? can you not overflow? can he not overflow? can we not overflow? can you not overflow? can they not overflow?	can I not be overflowing? can you not be overflowing? can he not be overflowing? can we not be overflowing? can you not be overflowing? can they not be overflowing?
Perfect	V-ing perfect
can I not have overflowed? can you not have overflowed? can he not have overflowed? can we not have overflowed? can you not have overflowed? can they not have overflowed?	can I not have been overflowing? can you not have been overflowing? can he not have been overflowing? can we not have been overflowing? can you not have been overflowing? can they not have been overflowing?