I may strain you may strain he may strain we may strain you may strain they may strain
V-ing form
I may be straining you may be straining he may be straining we may be straining you may be straining they may be straining
Perfect
I may have strained you may have strained he may have strained we may have strained you may have strained they may have strained
V-ing perfect
I may have been straining you may have been straining he may have been straining we may have been straining you may have been straining they may have been straining
Negation
Simple form
I may not strain you may not strain he may not strain we may not strain you may not strain they may not strain
V-ing form
I may not be straining you may not be straining he may not be straining we may not be straining you may not be straining they may not be straining
Perfect
I may not have strained you may not have strained he may not have strained we may not have strained you may not have strained they may not have strained
V-ing perfect
I may not have been straining you may not have been straining he may not have been straining we may not have been straining you may not have been straining they may not have been straining
Interrogative form
Simple form
may I strain? may you strain? may he strain? may we strain? may you strain? may they strain?
V-ing form
may I be straining? may you be straining? may he be straining? may we be straining? may you be straining? may they be straining?
Perfect
may I have strained? may you have strained? may he have strained? may we have strained? may you have strained? may they have strained?
V-ing perfect
may I have been straining? may you have been straining? may he have been straining? may we have been straining? may you have been straining? may they have been straining?
Interro-negative form
Simple form
may I not strain? may you not strain? may he not strain? may we not strain? may you not strain? may they not strain?
V-ing form
may I not be straining? may you not be straining? may he not be straining? may we not be straining? may you not be straining? may they not be straining?
Perfect
may I not have strained? may you not have strained? may he not have strained? may we not have strained? may you not have strained? may they not have strained?
V-ing perfect
may I not have been straining? may you not have been straining? may he not have been straining? may we not have been straining? may you not have been straining? may they not have been straining?