English verb conjugation
CAN OVERSTRAIN

Regular verb: overstrain - overstrained - overstrained

Affirmation

Simple form	V-ing form
I can overstrain you can overstrain he can overstrain we can overstrain you can overstrain they can overstrain	I can be overstraining you can be overstraining he can be overstraining we can be overstraining you can be overstraining they can be overstraining
Perfect	V-ing perfect
I can have overstrained you can have overstrained he can have overstrained we can have overstrained you can have overstrained they can have overstrained	I can have been overstraining you can have been overstraining he can have been overstraining we can have been overstraining you can have been overstraining they can have been overstraining

Negation

Simple form	V-ing form
I cannot overstrain you cannot overstrain he cannot overstrain we cannot overstrain you cannot overstrain they cannot overstrain	I cannot be overstraining you cannot be overstraining he cannot be overstraining we cannot be overstraining you cannot be overstraining they cannot be overstraining
Perfect	V-ing perfect
I cannot have overstrained you cannot have overstrained he cannot have overstrained we cannot have overstrained you cannot have overstrained they cannot have overstrained	I cannot have been overstraining you cannot have been overstraining he cannot have been overstraining we cannot have been overstraining you cannot have been overstraining they cannot have been overstraining

Interrogative form

Simple form	V-ing form
can I overstrain? can you overstrain? can he overstrain? can we overstrain? can you overstrain? can they overstrain?	can I be overstraining? can you be overstraining? can he be overstraining? can we be overstraining? can you be overstraining? can they be overstraining?
Perfect	V-ing perfect
can I have overstrained? can you have overstrained? can he have overstrained? can we have overstrained? can you have overstrained? can they have overstrained?	can I have been overstraining? can you have been overstraining? can he have been overstraining? can we have been overstraining? can you have been overstraining? can they have been overstraining?

Interro-negative form

Simple form	V-ing form
can I not overstrain? can you not overstrain? can he not overstrain? can we not overstrain? can you not overstrain? can they not overstrain?	can I not be overstraining? can you not be overstraining? can he not be overstraining? can we not be overstraining? can you not be overstraining? can they not be overstraining?
Perfect	V-ing perfect
can I not have overstrained? can you not have overstrained? can he not have overstrained? can we not have overstrained? can you not have overstrained? can they not have overstrained?	can I not have been overstraining? can you not have been overstraining? can he not have been overstraining? can we not have been overstraining? can you not have been overstraining? can they not have been overstraining?