English verb conjugation
COULD RETEACH

Irregular verb: reteach - retaught - retaught

Affirmation

Simple form	V-ing form
I could reteach you could reteach he could reteach we could reteach you could reteach they could reteach	I could be reteaching you could be reteaching he could be reteaching we could be reteaching you could be reteaching they could be reteaching
Perfect	V-ing perfect
I could have retaught you could have retaught he could have retaught we could have retaught you could have retaught they could have retaught	I could have been reteaching you could have been reteaching he could have been reteaching we could have been reteaching you could have been reteaching they could have been reteaching

Negation

Simple form	V-ing form
I couldn't reteach you couldn't reteach he couldn't reteach we couldn't reteach you couldn't reteach they couldn't reteach	I couldn't be reteaching you couldn't be reteaching he couldn't be reteaching we couldn't be reteaching you couldn't be reteaching they couldn't be reteaching
Perfect	V-ing perfect
I couldn't have retaught you couldn't have retaught he couldn't have retaught we couldn't have retaught you couldn't have retaught they couldn't have retaught	I couldn't have been reteaching you couldn't have been reteaching he couldn't have been reteaching we couldn't have been reteaching you couldn't have been reteaching they couldn't have been reteaching

Interrogative form

Simple form	V-ing form
could I reteach? could you reteach? could he reteach? could we reteach? could you reteach? could they reteach?	could I be reteaching? could you be reteaching? could he be reteaching? could we be reteaching? could you be reteaching? could they be reteaching?
Perfect	V-ing perfect
could I have retaught? could you have retaught? could he have retaught? could we have retaught? could you have retaught? could they have retaught?	could I have been reteaching? could you have been reteaching? could he have been reteaching? could we have been reteaching? could you have been reteaching? could they have been reteaching?

Interro-negative form

Simple form	V-ing form
couldn't I reteach? couldn't you reteach? couldn't he reteach? couldn't we reteach? couldn't you reteach? couldn't they reteach?	couldn't I be reteaching? couldn't you be reteaching? couldn't he be reteaching? couldn't we be reteaching? couldn't you be reteaching? couldn't they be reteaching?
Perfect	V-ing perfect
couldn't I have retaught? couldn't you have retaught? couldn't he have retaught? couldn't we have retaught? couldn't you have retaught? couldn't they have retaught?	couldn't I have been reteaching? couldn't you have been reteaching? couldn't he have been reteaching? couldn't we have been reteaching? couldn't you have been reteaching? couldn't they have been reteaching?