English verb conjugation
COULD AESTIVATE

Regular verb: aestivate - aestivated - aestivated

Affirmation

Simple form	V-ing form
I could aestivate you could aestivate he could aestivate we could aestivate you could aestivate they could aestivate	I could be aestivating you could be aestivating he could be aestivating we could be aestivating you could be aestivating they could be aestivating
Perfect	V-ing perfect
I could have aestivated you could have aestivated he could have aestivated we could have aestivated you could have aestivated they could have aestivated	I could have been aestivating you could have been aestivating he could have been aestivating we could have been aestivating you could have been aestivating they could have been aestivating

Negation

Simple form	V-ing form
I couldn't aestivate you couldn't aestivate he couldn't aestivate we couldn't aestivate you couldn't aestivate they couldn't aestivate	I couldn't be aestivating you couldn't be aestivating he couldn't be aestivating we couldn't be aestivating you couldn't be aestivating they couldn't be aestivating
Perfect	V-ing perfect
I couldn't have aestivated you couldn't have aestivated he couldn't have aestivated we couldn't have aestivated you couldn't have aestivated they couldn't have aestivated	I couldn't have been aestivating you couldn't have been aestivating he couldn't have been aestivating we couldn't have been aestivating you couldn't have been aestivating they couldn't have been aestivating

Interrogative form

Simple form	V-ing form
could I aestivate? could you aestivate? could he aestivate? could we aestivate? could you aestivate? could they aestivate?	could I be aestivating? could you be aestivating? could he be aestivating? could we be aestivating? could you be aestivating? could they be aestivating?
Perfect	V-ing perfect
could I have aestivated? could you have aestivated? could he have aestivated? could we have aestivated? could you have aestivated? could they have aestivated?	could I have been aestivating? could you have been aestivating? could he have been aestivating? could we have been aestivating? could you have been aestivating? could they have been aestivating?

Interro-negative form

Simple form	V-ing form
couldn't I aestivate? couldn't you aestivate? couldn't he aestivate? couldn't we aestivate? couldn't you aestivate? couldn't they aestivate?	couldn't I be aestivating? couldn't you be aestivating? couldn't he be aestivating? couldn't we be aestivating? couldn't you be aestivating? couldn't they be aestivating?
Perfect	V-ing perfect
couldn't I have aestivated? couldn't you have aestivated? couldn't he have aestivated? couldn't we have aestivated? couldn't you have aestivated? couldn't they have aestivated?	couldn't I have been aestivating? couldn't you have been aestivating? couldn't he have been aestivating? couldn't we have been aestivating? couldn't you have been aestivating? couldn't they have been aestivating?