English verb conjugation
CAN SPOT

Regular verb: spot - spotted - spotted

Affirmation

Simple form	V-ing form
I can spot you can spot he can spot we can spot you can spot they can spot	I can be spotting you can be spotting he can be spotting we can be spotting you can be spotting they can be spotting
Perfect	V-ing perfect
I can have spotted you can have spotted he can have spotted we can have spotted you can have spotted they can have spotted	I can have been spotting you can have been spotting he can have been spotting we can have been spotting you can have been spotting they can have been spotting

Negation

Simple form	V-ing form
I cannot spot you cannot spot he cannot spot we cannot spot you cannot spot they cannot spot	I cannot be spotting you cannot be spotting he cannot be spotting we cannot be spotting you cannot be spotting they cannot be spotting
Perfect	V-ing perfect
I cannot have spotted you cannot have spotted he cannot have spotted we cannot have spotted you cannot have spotted they cannot have spotted	I cannot have been spotting you cannot have been spotting he cannot have been spotting we cannot have been spotting you cannot have been spotting they cannot have been spotting

Interrogative form

Simple form	V-ing form
can I spot? can you spot? can he spot? can we spot? can you spot? can they spot?	can I be spotting? can you be spotting? can he be spotting? can we be spotting? can you be spotting? can they be spotting?
Perfect	V-ing perfect
can I have spotted? can you have spotted? can he have spotted? can we have spotted? can you have spotted? can they have spotted?	can I have been spotting? can you have been spotting? can he have been spotting? can we have been spotting? can you have been spotting? can they have been spotting?

Interro-negative form

Simple form	V-ing form
can I not spot? can you not spot? can he not spot? can we not spot? can you not spot? can they not spot?	can I not be spotting? can you not be spotting? can he not be spotting? can we not be spotting? can you not be spotting? can they not be spotting?
Perfect	V-ing perfect
can I not have spotted? can you not have spotted? can he not have spotted? can we not have spotted? can you not have spotted? can they not have spotted?	can I not have been spotting? can you not have been spotting? can he not have been spotting? can we not have been spotting? can you not have been spotting? can they not have been spotting?