English verb conjugation
COULD PALPITATE

Regular verb: palpitate - palpitated - palpitated

Affirmation

Simple form	V-ing form
I could palpitate you could palpitate he could palpitate we could palpitate you could palpitate they could palpitate	I could be palpitating you could be palpitating he could be palpitating we could be palpitating you could be palpitating they could be palpitating
Perfect	V-ing perfect
I could have palpitated you could have palpitated he could have palpitated we could have palpitated you could have palpitated they could have palpitated	I could have been palpitating you could have been palpitating he could have been palpitating we could have been palpitating you could have been palpitating they could have been palpitating

Negation

Simple form	V-ing form
I couldn't palpitate you couldn't palpitate he couldn't palpitate we couldn't palpitate you couldn't palpitate they couldn't palpitate	I couldn't be palpitating you couldn't be palpitating he couldn't be palpitating we couldn't be palpitating you couldn't be palpitating they couldn't be palpitating
Perfect	V-ing perfect
I couldn't have palpitated you couldn't have palpitated he couldn't have palpitated we couldn't have palpitated you couldn't have palpitated they couldn't have palpitated	I couldn't have been palpitating you couldn't have been palpitating he couldn't have been palpitating we couldn't have been palpitating you couldn't have been palpitating they couldn't have been palpitating

Interrogative form

Simple form	V-ing form
could I palpitate? could you palpitate? could he palpitate? could we palpitate? could you palpitate? could they palpitate?	could I be palpitating? could you be palpitating? could he be palpitating? could we be palpitating? could you be palpitating? could they be palpitating?
Perfect	V-ing perfect
could I have palpitated? could you have palpitated? could he have palpitated? could we have palpitated? could you have palpitated? could they have palpitated?	could I have been palpitating? could you have been palpitating? could he have been palpitating? could we have been palpitating? could you have been palpitating? could they have been palpitating?

Interro-negative form

Simple form	V-ing form
couldn't I palpitate? couldn't you palpitate? couldn't he palpitate? couldn't we palpitate? couldn't you palpitate? couldn't they palpitate?	couldn't I be palpitating? couldn't you be palpitating? couldn't he be palpitating? couldn't we be palpitating? couldn't you be palpitating? couldn't they be palpitating?
Perfect	V-ing perfect
couldn't I have palpitated? couldn't you have palpitated? couldn't he have palpitated? couldn't we have palpitated? couldn't you have palpitated? couldn't they have palpitated?	couldn't I have been palpitating? couldn't you have been palpitating? couldn't he have been palpitating? couldn't we have been palpitating? couldn't you have been palpitating? couldn't they have been palpitating?