English verb conjugation
COULD OVERDOSE

Regular verb: overdose - overdosed - overdosed

Affirmation

Simple form	V-ing form
I could overdose you could overdose she could overdose we could overdose you could overdose they could overdose	I could be overdosing you could be overdosing she could be overdosing we could be overdosing you could be overdosing they could be overdosing
Perfect	V-ing perfect
I could have overdosed you could have overdosed she could have overdosed we could have overdosed you could have overdosed they could have overdosed	I could have been overdosing you could have been overdosing she could have been overdosing we could have been overdosing you could have been overdosing they could have been overdosing

Negation

Simple form	V-ing form
I couldn't overdose you couldn't overdose she couldn't overdose we couldn't overdose you couldn't overdose they couldn't overdose	I couldn't be overdosing you couldn't be overdosing she couldn't be overdosing we couldn't be overdosing you couldn't be overdosing they couldn't be overdosing
Perfect	V-ing perfect
I couldn't have overdosed you couldn't have overdosed she couldn't have overdosed we couldn't have overdosed you couldn't have overdosed they couldn't have overdosed	I couldn't have been overdosing you couldn't have been overdosing she couldn't have been overdosing we couldn't have been overdosing you couldn't have been overdosing they couldn't have been overdosing

Interrogative form

Simple form	V-ing form
could I overdose? could you overdose? could she overdose? could we overdose? could you overdose? could they overdose?	could I be overdosing? could you be overdosing? could she be overdosing? could we be overdosing? could you be overdosing? could they be overdosing?
Perfect	V-ing perfect
could I have overdosed? could you have overdosed? could she have overdosed? could we have overdosed? could you have overdosed? could they have overdosed?	could I have been overdosing? could you have been overdosing? could she have been overdosing? could we have been overdosing? could you have been overdosing? could they have been overdosing?

Interro-negative form

Simple form	V-ing form
couldn't I overdose? couldn't you overdose? couldn't she overdose? couldn't we overdose? couldn't you overdose? couldn't they overdose?	couldn't I be overdosing? couldn't you be overdosing? couldn't she be overdosing? couldn't we be overdosing? couldn't you be overdosing? couldn't they be overdosing?
Perfect	V-ing perfect
couldn't I have overdosed? couldn't you have overdosed? couldn't she have overdosed? couldn't we have overdosed? couldn't you have overdosed? couldn't they have overdosed?	couldn't I have been overdosing? couldn't you have been overdosing? couldn't she have been overdosing? couldn't we have been overdosing? couldn't you have been overdosing? couldn't they have been overdosing?