English verb conjugation
CAN PATTERN

Regular verb: pattern - patterned - patterned

Affirmation

Simple form	V-ing form
I can pattern you can pattern he can pattern we can pattern you can pattern they can pattern	I can be patterning you can be patterning he can be patterning we can be patterning you can be patterning they can be patterning
Perfect	V-ing perfect
I can have patterned you can have patterned he can have patterned we can have patterned you can have patterned they can have patterned	I can have been patterning you can have been patterning he can have been patterning we can have been patterning you can have been patterning they can have been patterning

Negation

Simple form	V-ing form
I can't pattern you can't pattern he can't pattern we can't pattern you can't pattern they can't pattern	I can't be patterning you can't be patterning he can't be patterning we can't be patterning you can't be patterning they can't be patterning
Perfect	V-ing perfect
I can't have patterned you can't have patterned he can't have patterned we can't have patterned you can't have patterned they can't have patterned	I can't have been patterning you can't have been patterning he can't have been patterning we can't have been patterning you can't have been patterning they can't have been patterning

Interrogative form

Simple form	V-ing form
can I pattern? can you pattern? can he pattern? can we pattern? can you pattern? can they pattern?	can I be patterning? can you be patterning? can he be patterning? can we be patterning? can you be patterning? can they be patterning?
Perfect	V-ing perfect
can I have patterned? can you have patterned? can he have patterned? can we have patterned? can you have patterned? can they have patterned?	can I have been patterning? can you have been patterning? can he have been patterning? can we have been patterning? can you have been patterning? can they have been patterning?

Interro-negative form

Simple form	V-ing form
can't I pattern? can't you pattern? can't he pattern? can't we pattern? can't you pattern? can't they pattern?	can't I be patterning? can't you be patterning? can't he be patterning? can't we be patterning? can't you be patterning? can't they be patterning?
Perfect	V-ing perfect
can't I have patterned? can't you have patterned? can't he have patterned? can't we have patterned? can't you have patterned? can't they have patterned?	can't I have been patterning? can't you have been patterning? can't he have been patterning? can't we have been patterning? can't you have been patterning? can't they have been patterning?