English verb conjugation
COULD PULSATE

Regular verb: pulsate - pulsated - pulsated

Affirmation

Simple form	V-ing form
I could pulsate you could pulsate he could pulsate we could pulsate you could pulsate they could pulsate	I could be pulsating you could be pulsating he could be pulsating we could be pulsating you could be pulsating they could be pulsating
Perfect	V-ing perfect
I could have pulsated you could have pulsated he could have pulsated we could have pulsated you could have pulsated they could have pulsated	I could have been pulsating you could have been pulsating he could have been pulsating we could have been pulsating you could have been pulsating they could have been pulsating

Negation

Simple form	V-ing form
I couldn't pulsate you couldn't pulsate he couldn't pulsate we couldn't pulsate you couldn't pulsate they couldn't pulsate	I couldn't be pulsating you couldn't be pulsating he couldn't be pulsating we couldn't be pulsating you couldn't be pulsating they couldn't be pulsating
Perfect	V-ing perfect
I couldn't have pulsated you couldn't have pulsated he couldn't have pulsated we couldn't have pulsated you couldn't have pulsated they couldn't have pulsated	I couldn't have been pulsating you couldn't have been pulsating he couldn't have been pulsating we couldn't have been pulsating you couldn't have been pulsating they couldn't have been pulsating

Interrogative form

Simple form	V-ing form
could I pulsate? could you pulsate? could he pulsate? could we pulsate? could you pulsate? could they pulsate?	could I be pulsating? could you be pulsating? could he be pulsating? could we be pulsating? could you be pulsating? could they be pulsating?
Perfect	V-ing perfect
could I have pulsated? could you have pulsated? could he have pulsated? could we have pulsated? could you have pulsated? could they have pulsated?	could I have been pulsating? could you have been pulsating? could he have been pulsating? could we have been pulsating? could you have been pulsating? could they have been pulsating?

Interro-negative form

Simple form	V-ing form
couldn't I pulsate? couldn't you pulsate? couldn't he pulsate? couldn't we pulsate? couldn't you pulsate? couldn't they pulsate?	couldn't I be pulsating? couldn't you be pulsating? couldn't he be pulsating? couldn't we be pulsating? couldn't you be pulsating? couldn't they be pulsating?
Perfect	V-ing perfect
couldn't I have pulsated? couldn't you have pulsated? couldn't he have pulsated? couldn't we have pulsated? couldn't you have pulsated? couldn't they have pulsated?	couldn't I have been pulsating? couldn't you have been pulsating? couldn't he have been pulsating? couldn't we have been pulsating? couldn't you have been pulsating? couldn't they have been pulsating?