English verb conjugation
CAN VAPOUR

Regular verb: vapour - vapoured - vapoured

Affirmation

Simple form	V-ing form
I can vapour you can vapour he can vapour we can vapour you can vapour they can vapour	I can be vapouring you can be vapouring he can be vapouring we can be vapouring you can be vapouring they can be vapouring
Perfect	V-ing perfect
I can have vapoured you can have vapoured he can have vapoured we can have vapoured you can have vapoured they can have vapoured	I can have been vapouring you can have been vapouring he can have been vapouring we can have been vapouring you can have been vapouring they can have been vapouring

Negation

Simple form	V-ing form
I can't vapour you can't vapour he can't vapour we can't vapour you can't vapour they can't vapour	I can't be vapouring you can't be vapouring he can't be vapouring we can't be vapouring you can't be vapouring they can't be vapouring
Perfect	V-ing perfect
I can't have vapoured you can't have vapoured he can't have vapoured we can't have vapoured you can't have vapoured they can't have vapoured	I can't have been vapouring you can't have been vapouring he can't have been vapouring we can't have been vapouring you can't have been vapouring they can't have been vapouring

Interrogative form

Simple form	V-ing form
can I vapour? can you vapour? can he vapour? can we vapour? can you vapour? can they vapour?	can I be vapouring? can you be vapouring? can he be vapouring? can we be vapouring? can you be vapouring? can they be vapouring?
Perfect	V-ing perfect
can I have vapoured? can you have vapoured? can he have vapoured? can we have vapoured? can you have vapoured? can they have vapoured?	can I have been vapouring? can you have been vapouring? can he have been vapouring? can we have been vapouring? can you have been vapouring? can they have been vapouring?

Interro-negative form

Simple form	V-ing form
can't I vapour? can't you vapour? can't he vapour? can't we vapour? can't you vapour? can't they vapour?	can't I be vapouring? can't you be vapouring? can't he be vapouring? can't we be vapouring? can't you be vapouring? can't they be vapouring?
Perfect	V-ing perfect
can't I have vapoured? can't you have vapoured? can't he have vapoured? can't we have vapoured? can't you have vapoured? can't they have vapoured?	can't I have been vapouring? can't you have been vapouring? can't he have been vapouring? can't we have been vapouring? can't you have been vapouring? can't they have been vapouring?