English verb conjugation
CAN MASON

Regular verb: mason - masoned - masoned

Affirmation

Simple form	V-ing form
I can mason you can mason he can mason we can mason you can mason they can mason	I can be masoning you can be masoning he 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 he 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 he 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 he 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 he 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 he 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 he 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 he mason? can we mason? can you mason? can they mason?	can I be masoning? can you be masoning? can he 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 he 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 he 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 he 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 he 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 he 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 he have been masoning? can't we have been masoning? can't you have been masoning? can't they have been masoning?