English verb conjugation
COULD OVERTRAIN

Regular verb: overtrain - overtrained - overtrained

Affirmation

Simple form	V-ing form
I could overtrain you could overtrain he could overtrain we could overtrain you could overtrain they could overtrain	I could be overtraining you could be overtraining he could be overtraining we could be overtraining you could be overtraining they could be overtraining
Perfect	V-ing perfect
I could have overtrained you could have overtrained he could have overtrained we could have overtrained you could have overtrained they could have overtrained	I could have been overtraining you could have been overtraining he could have been overtraining we could have been overtraining you could have been overtraining they could have been overtraining

Negation

Simple form	V-ing form
I couldn't overtrain you couldn't overtrain he couldn't overtrain we couldn't overtrain you couldn't overtrain they couldn't overtrain	I couldn't be overtraining you couldn't be overtraining he couldn't be overtraining we couldn't be overtraining you couldn't be overtraining they couldn't be overtraining
Perfect	V-ing perfect
I couldn't have overtrained you couldn't have overtrained he couldn't have overtrained we couldn't have overtrained you couldn't have overtrained they couldn't have overtrained	I couldn't have been overtraining you couldn't have been overtraining he couldn't have been overtraining we couldn't have been overtraining you couldn't have been overtraining they couldn't have been overtraining

Interrogative form

Simple form	V-ing form
could I overtrain? could you overtrain? could he overtrain? could we overtrain? could you overtrain? could they overtrain?	could I be overtraining? could you be overtraining? could he be overtraining? could we be overtraining? could you be overtraining? could they be overtraining?
Perfect	V-ing perfect
could I have overtrained? could you have overtrained? could he have overtrained? could we have overtrained? could you have overtrained? could they have overtrained?	could I have been overtraining? could you have been overtraining? could he have been overtraining? could we have been overtraining? could you have been overtraining? could they have been overtraining?

Interro-negative form

Simple form	V-ing form
couldn't I overtrain? couldn't you overtrain? couldn't he overtrain? couldn't we overtrain? couldn't you overtrain? couldn't they overtrain?	couldn't I be overtraining? couldn't you be overtraining? couldn't he be overtraining? couldn't we be overtraining? couldn't you be overtraining? couldn't they be overtraining?
Perfect	V-ing perfect
couldn't I have overtrained? couldn't you have overtrained? couldn't he have overtrained? couldn't we have overtrained? couldn't you have overtrained? couldn't they have overtrained?	couldn't I have been overtraining? couldn't you have been overtraining? couldn't he have been overtraining? couldn't we have been overtraining? couldn't you have been overtraining? couldn't they have been overtraining?