English verb conjugation
COULD TIDE

Regular verb: tide - tided - tided

Affirmation

Simple form	V-ing form
I could tide you could tide he could tide we could tide you could tide they could tide	I could be tiding you could be tiding he could be tiding we could be tiding you could be tiding they could be tiding
Perfect	V-ing perfect
I could have tided you could have tided he could have tided we could have tided you could have tided they could have tided	I could have been tiding you could have been tiding he could have been tiding we could have been tiding you could have been tiding they could have been tiding

Negation

Simple form	V-ing form
I could not tide you could not tide he could not tide we could not tide you could not tide they could not tide	I could not be tiding you could not be tiding he could not be tiding we could not be tiding you could not be tiding they could not be tiding
Perfect	V-ing perfect
I could not have tided you could not have tided he could not have tided we could not have tided you could not have tided they could not have tided	I could not have been tiding you could not have been tiding he could not have been tiding we could not have been tiding you could not have been tiding they could not have been tiding

Interrogative form

Simple form	V-ing form
could I tide? could you tide? could he tide? could we tide? could you tide? could they tide?	could I be tiding? could you be tiding? could he be tiding? could we be tiding? could you be tiding? could they be tiding?
Perfect	V-ing perfect
could I have tided? could you have tided? could he have tided? could we have tided? could you have tided? could they have tided?	could I have been tiding? could you have been tiding? could he have been tiding? could we have been tiding? could you have been tiding? could they have been tiding?

Interro-negative form

Simple form	V-ing form
could I not tide? could you not tide? could he not tide? could we not tide? could you not tide? could they not tide?	could I not be tiding? could you not be tiding? could he not be tiding? could we not be tiding? could you not be tiding? could they not be tiding?
Perfect	V-ing perfect
could I not have tided? could you not have tided? could he not have tided? could we not have tided? could you not have tided? could they not have tided?	could I not have been tiding? could you not have been tiding? could he not have been tiding? could we not have been tiding? could you not have been tiding? could they not have been tiding?