English verb conjugation
CAN MASON

Regular verb: mason - masoned - masoned

Affirmation

Simple form	V-ing form
I can mason you can mason she can mason we can mason you can mason they can mason	I can be masoning you can be masoning she can be masoning we can be masoning you can be masoning they can be masoning
Perfect	V-ing perfect
I can have masoned you can have masoned she can have masoned we can have masoned you can have masoned they can have masoned	I can have been masoning you can have been masoning she can have been masoning we can have been masoning you can have been masoning they can have been masoning

Negation

Simple form	V-ing form
I can't mason you can't mason she can't mason we can't mason you can't mason they can't mason	I can't be masoning you can't be masoning she can't be masoning we can't be masoning you can't be masoning they can't be masoning
Perfect	V-ing perfect
I can't have masoned you can't have masoned she can't have masoned we can't have masoned you can't have masoned they can't have masoned	I can't have been masoning you can't have been masoning she can't have been masoning we can't have been masoning you can't have been masoning they can't have been masoning

Interrogative form

Simple form	V-ing form
can I mason? can you mason? can she mason? can we mason? can you mason? can they mason?	can I be masoning? can you be masoning? can she be masoning? can we be masoning? can you be masoning? can they be masoning?
Perfect	V-ing perfect
can I have masoned? can you have masoned? can she have masoned? can we have masoned? can you have masoned? can they have masoned?	can I have been masoning? can you have been masoning? can she have been masoning? can we have been masoning? can you have been masoning? can they have been masoning?

Interro-negative form

Simple form	V-ing form
can't I mason? can't you mason? can't she mason? can't we mason? can't you mason? can't they mason?	can't I be masoning? can't you be masoning? can't she be masoning? can't we be masoning? can't you be masoning? can't they be masoning?
Perfect	V-ing perfect
can't I have masoned? can't you have masoned? can't she have masoned? can't we have masoned? can't you have masoned? can't they have masoned?	can't I have been masoning? can't you have been masoning? can't she have been masoning? can't we have been masoning? can't you have been masoning? can't they have been masoning?