I can deviate you can deviate he can deviate we can deviate you can deviate they can deviate
V-ing form
I can be deviating you can be deviating he can be deviating we can be deviating you can be deviating they can be deviating
Perfect
I can have deviated you can have deviated he can have deviated we can have deviated you can have deviated they can have deviated
V-ing perfect
I can have been deviating you can have been deviating he can have been deviating we can have been deviating you can have been deviating they can have been deviating
Negation
Simple form
I can't deviate you can't deviate he can't deviate we can't deviate you can't deviate they can't deviate
V-ing form
I can't be deviating you can't be deviating he can't be deviating we can't be deviating you can't be deviating they can't be deviating
Perfect
I can't have deviated you can't have deviated he can't have deviated we can't have deviated you can't have deviated they can't have deviated
V-ing perfect
I can't have been deviating you can't have been deviating he can't have been deviating we can't have been deviating you can't have been deviating they can't have been deviating
Interrogative form
Simple form
can I deviate? can you deviate? can he deviate? can we deviate? can you deviate? can they deviate?
V-ing form
can I be deviating? can you be deviating? can he be deviating? can we be deviating? can you be deviating? can they be deviating?
Perfect
can I have deviated? can you have deviated? can he have deviated? can we have deviated? can you have deviated? can they have deviated?
V-ing perfect
can I have been deviating? can you have been deviating? can he have been deviating? can we have been deviating? can you have been deviating? can they have been deviating?
Interro-negative form
Simple form
can't I deviate? can't you deviate? can't he deviate? can't we deviate? can't you deviate? can't they deviate?
V-ing form
can't I be deviating? can't you be deviating? can't he be deviating? can't we be deviating? can't you be deviating? can't they be deviating?
Perfect
can't I have deviated? can't you have deviated? can't he have deviated? can't we have deviated? can't you have deviated? can't they have deviated?
V-ing perfect
can't I have been deviating? can't you have been deviating? can't he have been deviating? can't we have been deviating? can't you have been deviating? can't they have been deviating?