English verb conjugation
COULD CREPITATE

Regular verb: crepitate - crepitated - crepitated

Affirmation

Simple form	V-ing form
I could crepitate you could crepitate he could crepitate we could crepitate you could crepitate they could crepitate	I could be crepitating you could be crepitating he could be crepitating we could be crepitating you could be crepitating they could be crepitating
Perfect	V-ing perfect
I could have crepitated you could have crepitated he could have crepitated we could have crepitated you could have crepitated they could have crepitated	I could have been crepitating you could have been crepitating he could have been crepitating we could have been crepitating you could have been crepitating they could have been crepitating

Negation

Simple form	V-ing form
I couldn't crepitate you couldn't crepitate he couldn't crepitate we couldn't crepitate you couldn't crepitate they couldn't crepitate	I couldn't be crepitating you couldn't be crepitating he couldn't be crepitating we couldn't be crepitating you couldn't be crepitating they couldn't be crepitating
Perfect	V-ing perfect
I couldn't have crepitated you couldn't have crepitated he couldn't have crepitated we couldn't have crepitated you couldn't have crepitated they couldn't have crepitated	I couldn't have been crepitating you couldn't have been crepitating he couldn't have been crepitating we couldn't have been crepitating you couldn't have been crepitating they couldn't have been crepitating

Interrogative form

Simple form	V-ing form
could I crepitate? could you crepitate? could he crepitate? could we crepitate? could you crepitate? could they crepitate?	could I be crepitating? could you be crepitating? could he be crepitating? could we be crepitating? could you be crepitating? could they be crepitating?
Perfect	V-ing perfect
could I have crepitated? could you have crepitated? could he have crepitated? could we have crepitated? could you have crepitated? could they have crepitated?	could I have been crepitating? could you have been crepitating? could he have been crepitating? could we have been crepitating? could you have been crepitating? could they have been crepitating?

Interro-negative form

Simple form	V-ing form
couldn't I crepitate? couldn't you crepitate? couldn't he crepitate? couldn't we crepitate? couldn't you crepitate? couldn't they crepitate?	couldn't I be crepitating? couldn't you be crepitating? couldn't he be crepitating? couldn't we be crepitating? couldn't you be crepitating? couldn't they be crepitating?
Perfect	V-ing perfect
couldn't I have crepitated? couldn't you have crepitated? couldn't he have crepitated? couldn't we have crepitated? couldn't you have crepitated? couldn't they have crepitated?	couldn't I have been crepitating? couldn't you have been crepitating? couldn't he have been crepitating? couldn't we have been crepitating? couldn't you have been crepitating? couldn't they have been crepitating?