English verb conjugation
CAN ROUST

Regular verb: roust - rousted - rousted

Affirmation

Simple form	V-ing form
I can roust you can roust he can roust we can roust you can roust they can roust	I can be rousting you can be rousting he can be rousting we can be rousting you can be rousting they can be rousting
Perfect	V-ing perfect
I can have rousted you can have rousted he can have rousted we can have rousted you can have rousted they can have rousted	I can have been rousting you can have been rousting he can have been rousting we can have been rousting you can have been rousting they can have been rousting

Negation

Simple form	V-ing form
I can't roust you can't roust he can't roust we can't roust you can't roust they can't roust	I can't be rousting you can't be rousting he can't be rousting we can't be rousting you can't be rousting they can't be rousting
Perfect	V-ing perfect
I can't have rousted you can't have rousted he can't have rousted we can't have rousted you can't have rousted they can't have rousted	I can't have been rousting you can't have been rousting he can't have been rousting we can't have been rousting you can't have been rousting they can't have been rousting

Interrogative form

Simple form	V-ing form
can I roust? can you roust? can he roust? can we roust? can you roust? can they roust?	can I be rousting? can you be rousting? can he be rousting? can we be rousting? can you be rousting? can they be rousting?
Perfect	V-ing perfect
can I have rousted? can you have rousted? can he have rousted? can we have rousted? can you have rousted? can they have rousted?	can I have been rousting? can you have been rousting? can he have been rousting? can we have been rousting? can you have been rousting? can they have been rousting?

Interro-negative form

Simple form	V-ing form
can't I roust? can't you roust? can't he roust? can't we roust? can't you roust? can't they roust?	can't I be rousting? can't you be rousting? can't he be rousting? can't we be rousting? can't you be rousting? can't they be rousting?
Perfect	V-ing perfect
can't I have rousted? can't you have rousted? can't he have rousted? can't we have rousted? can't you have rousted? can't they have rousted?	can't I have been rousting? can't you have been rousting? can't he have been rousting? can't we have been rousting? can't you have been rousting? can't they have been rousting?