English verb conjugation
CAN DUST

Regular verb: dust - dusted - dusted

Affirmation

Simple form	V-ing form
I can dust you can dust he can dust we can dust you can dust they can dust	I can be dusting you can be dusting he can be dusting we can be dusting you can be dusting they can be dusting
Perfect	V-ing perfect
I can have dusted you can have dusted he can have dusted we can have dusted you can have dusted they can have dusted	I can have been dusting you can have been dusting he can have been dusting we can have been dusting you can have been dusting they can have been dusting

Negation

Simple form	V-ing form
I can't dust you can't dust he can't dust we can't dust you can't dust they can't dust	I can't be dusting you can't be dusting he can't be dusting we can't be dusting you can't be dusting they can't be dusting
Perfect	V-ing perfect
I can't have dusted you can't have dusted he can't have dusted we can't have dusted you can't have dusted they can't have dusted	I can't have been dusting you can't have been dusting he can't have been dusting we can't have been dusting you can't have been dusting they can't have been dusting

Interrogative form

Simple form	V-ing form
can I dust? can you dust? can he dust? can we dust? can you dust? can they dust?	can I be dusting? can you be dusting? can he be dusting? can we be dusting? can you be dusting? can they be dusting?
Perfect	V-ing perfect
can I have dusted? can you have dusted? can he have dusted? can we have dusted? can you have dusted? can they have dusted?	can I have been dusting? can you have been dusting? can he have been dusting? can we have been dusting? can you have been dusting? can they have been dusting?

Interro-negative form

Simple form	V-ing form
can't I dust? can't you dust? can't he dust? can't we dust? can't you dust? can't they dust?	can't I be dusting? can't you be dusting? can't he be dusting? can't we be dusting? can't you be dusting? can't they be dusting?
Perfect	V-ing perfect
can't I have dusted? can't you have dusted? can't he have dusted? can't we have dusted? can't you have dusted? can't they have dusted?	can't I have been dusting? can't you have been dusting? can't he have been dusting? can't we have been dusting? can't you have been dusting? can't they have been dusting?