English verb conjugation
CAN COLLECT

Regular verb: collect - collected - collected

Affirmation

Simple form	V-ing form
I can collect you can collect she can collect we can collect you can collect they can collect	I can be collecting you can be collecting she can be collecting we can be collecting you can be collecting they can be collecting
Perfect	V-ing perfect
I can have collected you can have collected she can have collected we can have collected you can have collected they can have collected	I can have been collecting you can have been collecting she can have been collecting we can have been collecting you can have been collecting they can have been collecting

Negation

Simple form	V-ing form
I cannot collect you cannot collect she cannot collect we cannot collect you cannot collect they cannot collect	I cannot be collecting you cannot be collecting she cannot be collecting we cannot be collecting you cannot be collecting they cannot be collecting
Perfect	V-ing perfect
I cannot have collected you cannot have collected she cannot have collected we cannot have collected you cannot have collected they cannot have collected	I cannot have been collecting you cannot have been collecting she cannot have been collecting we cannot have been collecting you cannot have been collecting they cannot have been collecting

Interrogative form

Simple form	V-ing form
can I collect? can you collect? can she collect? can we collect? can you collect? can they collect?	can I be collecting? can you be collecting? can she be collecting? can we be collecting? can you be collecting? can they be collecting?
Perfect	V-ing perfect
can I have collected? can you have collected? can she have collected? can we have collected? can you have collected? can they have collected?	can I have been collecting? can you have been collecting? can she have been collecting? can we have been collecting? can you have been collecting? can they have been collecting?

Interro-negative form

Simple form	V-ing form
can I not collect? can you not collect? can she not collect? can we not collect? can you not collect? can they not collect?	can I not be collecting? can you not be collecting? can she not be collecting? can we not be collecting? can you not be collecting? can they not be collecting?
Perfect	V-ing perfect
can I not have collected? can you not have collected? can she not have collected? can we not have collected? can you not have collected? can they not have collected?	can I not have been collecting? can you not have been collecting? can she not have been collecting? can we not have been collecting? can you not have been collecting? can they not have been collecting?