English verb conjugation
COULD PERUSE

Regular verb: peruse - perused - perused

Affirmation

Simple form	V-ing form
I could peruse you could peruse he could peruse we could peruse you could peruse they could peruse	I could be perusing you could be perusing he could be perusing we could be perusing you could be perusing they could be perusing
Perfect	V-ing perfect
I could have perused you could have perused he could have perused we could have perused you could have perused they could have perused	I could have been perusing you could have been perusing he could have been perusing we could have been perusing you could have been perusing they could have been perusing

Negation

Simple form	V-ing form
I could not peruse you could not peruse he could not peruse we could not peruse you could not peruse they could not peruse	I could not be perusing you could not be perusing he could not be perusing we could not be perusing you could not be perusing they could not be perusing
Perfect	V-ing perfect
I could not have perused you could not have perused he could not have perused we could not have perused you could not have perused they could not have perused	I could not have been perusing you could not have been perusing he could not have been perusing we could not have been perusing you could not have been perusing they could not have been perusing

Interrogative form

Simple form	V-ing form
could I peruse? could you peruse? could he peruse? could we peruse? could you peruse? could they peruse?	could I be perusing? could you be perusing? could he be perusing? could we be perusing? could you be perusing? could they be perusing?
Perfect	V-ing perfect
could I have perused? could you have perused? could he have perused? could we have perused? could you have perused? could they have perused?	could I have been perusing? could you have been perusing? could he have been perusing? could we have been perusing? could you have been perusing? could they have been perusing?

Interro-negative form

Simple form	V-ing form
could I not peruse? could you not peruse? could he not peruse? could we not peruse? could you not peruse? could they not peruse?	could I not be perusing? could you not be perusing? could he not be perusing? could we not be perusing? could you not be perusing? could they not be perusing?
Perfect	V-ing perfect
could I not have perused? could you not have perused? could he not have perused? could we not have perused? could you not have perused? could they not have perused?	could I not have been perusing? could you not have been perusing? could he not have been perusing? could we not have been perusing? could you not have been perusing? could they not have been perusing?