don't I strain? don't you strain? doesn't he strain? don't we strain? don't you strain? don't they strain?
Presente continuo
am I not straining? aren't you straining? isn't he straining? aren't we straining? aren't you straining? aren't they straining?
Pretérito
didn't I strain? didn't you strain? didn't he strain? didn't we strain? didn't you strain? didn't they strain?
Pretérito continuo
wasn't I straining? weren't you straining? wasn't he straining? weren't we straining? weren't you straining? weren't they straining?
Presente perfecto
haven't I strained? haven't you strained? hasn't he strained? haven't we strained? haven't you strained? haven't they strained?
Presente perfecto continuo
haven't I been straining? haven't you been straining? hasn't he been straining? haven't we been straining? haven't you been straining? haven't they been straining?
Pluscuamperfecto
hadn't I strained? hadn't you strained? hadn't he strained? hadn't we strained? hadn't you strained? hadn't they strained?
Pluscuamperfecto continuo
hadn't I been straining? hadn't you been straining? hadn't he been straining? hadn't we been straining? hadn't you been straining? hadn't they been straining?
Futuro simple
won't I strain? won't you strain? won't he strain? won't we strain? won't you strain? won't they strain?
Futuro continuo
won't I be straining? won't you be straining? won't he be straining? won't we be straining? won't you be straining? won't they be straining?
Futuro perfecto
won't I have strained? won't you have strained? won't he have strained? won't we have strained? won't you have strained? won't they have strained?
Futuro perfecto contínuo
won't I have been straining? won't you have been straining? won't he have been straining? won't we have been straining? won't you have been straining? won't they have been straining?
Condicional
Presente
wouldn't I strain? wouldn't you strain? wouldn't he strain? wouldn't we strain? wouldn't you strain? wouldn't they strain?
Presente continuo
wouldn't I be straining? wouldn't you be straining? wouldn't he be straining? wouldn't we be straining? wouldn't you be straining? wouldn't they be straining?
Passado
wouldn't I have strained? wouldn't you have strained? wouldn't he have strained? wouldn't we have strained? wouldn't you have strained? wouldn't they have strained?
Passado continuo
wouldn't I have been straining? wouldn't you have been straining? wouldn't he have been straining? wouldn't we have been straining? wouldn't you have been straining? wouldn't they have been straining?