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