English verb conjugation
COULD TED

Regular verb: ted - teded - teded

Affirmation

Simple form	V-ing form
I could ted you could ted he could ted we could ted you could ted they could ted	I could be teding you could be teding he could be teding we could be teding you could be teding they could be teding
Perfect	V-ing perfect
I could have teded you could have teded he could have teded we could have teded you could have teded they could have teded	I could have been teding you could have been teding he could have been teding we could have been teding you could have been teding they could have been teding

Negation

Simple form	V-ing form
I couldn't ted you couldn't ted he couldn't ted we couldn't ted you couldn't ted they couldn't ted	I couldn't be teding you couldn't be teding he couldn't be teding we couldn't be teding you couldn't be teding they couldn't be teding
Perfect	V-ing perfect
I couldn't have teded you couldn't have teded he couldn't have teded we couldn't have teded you couldn't have teded they couldn't have teded	I couldn't have been teding you couldn't have been teding he couldn't have been teding we couldn't have been teding you couldn't have been teding they couldn't have been teding

Interrogative form

Simple form	V-ing form
could I ted? could you ted? could he ted? could we ted? could you ted? could they ted?	could I be teding? could you be teding? could he be teding? could we be teding? could you be teding? could they be teding?
Perfect	V-ing perfect
could I have teded? could you have teded? could he have teded? could we have teded? could you have teded? could they have teded?	could I have been teding? could you have been teding? could he have been teding? could we have been teding? could you have been teding? could they have been teding?

Interro-negative form

Simple form	V-ing form
couldn't I ted? couldn't you ted? couldn't he ted? couldn't we ted? couldn't you ted? couldn't they ted?	couldn't I be teding? couldn't you be teding? couldn't he be teding? couldn't we be teding? couldn't you be teding? couldn't they be teding?
Perfect	V-ing perfect
couldn't I have teded? couldn't you have teded? couldn't he have teded? couldn't we have teded? couldn't you have teded? couldn't they have teded?	couldn't I have been teding? couldn't you have been teding? couldn't he have been teding? couldn't we have been teding? couldn't you have been teding? couldn't they have been teding?