English verb conjugation
COULD ASSIMILATE

Regular verb: assimilate - assimilated - assimilated

Affirmation

Simple form	V-ing form
I could assimilate you could assimilate he could assimilate we could assimilate you could assimilate they could assimilate	I could be assimilating you could be assimilating he could be assimilating we could be assimilating you could be assimilating they could be assimilating
Perfect	V-ing perfect
I could have assimilated you could have assimilated he could have assimilated we could have assimilated you could have assimilated they could have assimilated	I could have been assimilating you could have been assimilating he could have been assimilating we could have been assimilating you could have been assimilating they could have been assimilating

Negation

Simple form	V-ing form
I couldn't assimilate you couldn't assimilate he couldn't assimilate we couldn't assimilate you couldn't assimilate they couldn't assimilate	I couldn't be assimilating you couldn't be assimilating he couldn't be assimilating we couldn't be assimilating you couldn't be assimilating they couldn't be assimilating
Perfect	V-ing perfect
I couldn't have assimilated you couldn't have assimilated he couldn't have assimilated we couldn't have assimilated you couldn't have assimilated they couldn't have assimilated	I couldn't have been assimilating you couldn't have been assimilating he couldn't have been assimilating we couldn't have been assimilating you couldn't have been assimilating they couldn't have been assimilating

Interrogative form

Simple form	V-ing form
could I assimilate? could you assimilate? could he assimilate? could we assimilate? could you assimilate? could they assimilate?	could I be assimilating? could you be assimilating? could he be assimilating? could we be assimilating? could you be assimilating? could they be assimilating?
Perfect	V-ing perfect
could I have assimilated? could you have assimilated? could he have assimilated? could we have assimilated? could you have assimilated? could they have assimilated?	could I have been assimilating? could you have been assimilating? could he have been assimilating? could we have been assimilating? could you have been assimilating? could they have been assimilating?

Interro-negative form

Simple form	V-ing form
couldn't I assimilate? couldn't you assimilate? couldn't he assimilate? couldn't we assimilate? couldn't you assimilate? couldn't they assimilate?	couldn't I be assimilating? couldn't you be assimilating? couldn't he be assimilating? couldn't we be assimilating? couldn't you be assimilating? couldn't they be assimilating?
Perfect	V-ing perfect
couldn't I have assimilated? couldn't you have assimilated? couldn't he have assimilated? couldn't we have assimilated? couldn't you have assimilated? couldn't they have assimilated?	couldn't I have been assimilating? couldn't you have been assimilating? couldn't he have been assimilating? couldn't we have been assimilating? couldn't you have been assimilating? couldn't they have been assimilating?