English verb conjugation
COULD CASCADE

Regular verb: cascade - cascaded - cascaded

Affirmation

Simple form	V-ing form
I could cascade you could cascade he could cascade we could cascade you could cascade they could cascade	I could be cascading you could be cascading he could be cascading we could be cascading you could be cascading they could be cascading
Perfect	V-ing perfect
I could have cascaded you could have cascaded he could have cascaded we could have cascaded you could have cascaded they could have cascaded	I could have been cascading you could have been cascading he could have been cascading we could have been cascading you could have been cascading they could have been cascading

Negation

Simple form	V-ing form
I couldn't cascade you couldn't cascade he couldn't cascade we couldn't cascade you couldn't cascade they couldn't cascade	I couldn't be cascading you couldn't be cascading he couldn't be cascading we couldn't be cascading you couldn't be cascading they couldn't be cascading
Perfect	V-ing perfect
I couldn't have cascaded you couldn't have cascaded he couldn't have cascaded we couldn't have cascaded you couldn't have cascaded they couldn't have cascaded	I couldn't have been cascading you couldn't have been cascading he couldn't have been cascading we couldn't have been cascading you couldn't have been cascading they couldn't have been cascading

Interrogative form

Simple form	V-ing form
could I cascade? could you cascade? could he cascade? could we cascade? could you cascade? could they cascade?	could I be cascading? could you be cascading? could he be cascading? could we be cascading? could you be cascading? could they be cascading?
Perfect	V-ing perfect
could I have cascaded? could you have cascaded? could he have cascaded? could we have cascaded? could you have cascaded? could they have cascaded?	could I have been cascading? could you have been cascading? could he have been cascading? could we have been cascading? could you have been cascading? could they have been cascading?

Interro-negative form

Simple form	V-ing form
couldn't I cascade? couldn't you cascade? couldn't he cascade? couldn't we cascade? couldn't you cascade? couldn't they cascade?	couldn't I be cascading? couldn't you be cascading? couldn't he be cascading? couldn't we be cascading? couldn't you be cascading? couldn't they be cascading?
Perfect	V-ing perfect
couldn't I have cascaded? couldn't you have cascaded? couldn't he have cascaded? couldn't we have cascaded? couldn't you have cascaded? couldn't they have cascaded?	couldn't I have been cascading? couldn't you have been cascading? couldn't he have been cascading? couldn't we have been cascading? couldn't you have been cascading? couldn't they have been cascading?