English verb conjugation
COULD TIPPLE

Regular verb: tipple - tippled - tippled

Affirmation

Simple form	V-ing form
I could tipple you could tipple she could tipple we could tipple you could tipple they could tipple	I could be tippling you could be tippling she could be tippling we could be tippling you could be tippling they could be tippling
Perfect	V-ing perfect
I could have tippled you could have tippled she could have tippled we could have tippled you could have tippled they could have tippled	I could have been tippling you could have been tippling she could have been tippling we could have been tippling you could have been tippling they could have been tippling

Negation

Simple form	V-ing form
I could not tipple you could not tipple she could not tipple we could not tipple you could not tipple they could not tipple	I could not be tippling you could not be tippling she could not be tippling we could not be tippling you could not be tippling they could not be tippling
Perfect	V-ing perfect
I could not have tippled you could not have tippled she could not have tippled we could not have tippled you could not have tippled they could not have tippled	I could not have been tippling you could not have been tippling she could not have been tippling we could not have been tippling you could not have been tippling they could not have been tippling

Interrogative form

Simple form	V-ing form
could I tipple? could you tipple? could she tipple? could we tipple? could you tipple? could they tipple?	could I be tippling? could you be tippling? could she be tippling? could we be tippling? could you be tippling? could they be tippling?
Perfect	V-ing perfect
could I have tippled? could you have tippled? could she have tippled? could we have tippled? could you have tippled? could they have tippled?	could I have been tippling? could you have been tippling? could she have been tippling? could we have been tippling? could you have been tippling? could they have been tippling?

Interro-negative form

Simple form	V-ing form
could I not tipple? could you not tipple? could she not tipple? could we not tipple? could you not tipple? could they not tipple?	could I not be tippling? could you not be tippling? could she not be tippling? could we not be tippling? could you not be tippling? could they not be tippling?
Perfect	V-ing perfect
could I not have tippled? could you not have tippled? could she not have tippled? could we not have tippled? could you not have tippled? could they not have tippled?	could I not have been tippling? could you not have been tippling? could she not have been tippling? could we not have been tippling? could you not have been tippling? could they not have been tippling?