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 couldn't tide you couldn't tide he couldn't tide we couldn't tide you couldn't tide they couldn't tide	I couldn't be tiding you couldn't be tiding he couldn't be tiding we couldn't be tiding you couldn't be tiding they couldn't be tiding
Perfect	V-ing perfect
I couldn't have tided you couldn't have tided he couldn't have tided we couldn't have tided you couldn't have tided they couldn't have tided	I couldn't have been tiding you couldn't have been tiding he couldn't have been tiding we couldn't have been tiding you couldn't have been tiding they couldn't 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
couldn't I tide? couldn't you tide? couldn't he tide? couldn't we tide? couldn't you tide? couldn't they tide?	couldn't I be tiding? couldn't you be tiding? couldn't he be tiding? couldn't we be tiding? couldn't you be tiding? couldn't they be tiding?
Perfect	V-ing perfect
couldn't I have tided? couldn't you have tided? couldn't he have tided? couldn't we have tided? couldn't you have tided? couldn't they have tided?	couldn't I have been tiding? couldn't you have been tiding? couldn't he have been tiding? couldn't we have been tiding? couldn't you have been tiding? couldn't they have been tiding?