don't I systematise? don't you systematise? doesn't he systematise? don't we systematise? don't you systematise? don't they systematise?
Présent continu
am I not systematising? aren't you systematising? isn't he systematising? aren't we systematising? aren't you systematising? aren't they systematising?
Prétérit
didn't I systematise? didn't you systematise? didn't he systematise? didn't we systematise? didn't you systematise? didn't they systematise?
Prétérit
wasn't I systematising? weren't you systematising? wasn't he systematising? weren't we systematising? weren't you systematising? weren't they systematising?
Present perfect
haven't I systematised? haven't you systematised? hasn't he systematised? haven't we systematised? haven't you systematised? haven't they systematised?
Present perfect continu
haven't I been systematising? haven't you been systematising? hasn't he been systematising? haven't we been systematising? haven't you been systematising? haven't they been systematising?
Pluperfect
hadn't I systematised? hadn't you systematised? hadn't he systematised? hadn't we systematised? hadn't you systematised? hadn't they systematised?
Pluperfect continu
hadn't I been systematising? hadn't you been systematising? hadn't he been systematising? hadn't we been systematising? hadn't you been systematising? hadn't they been systematising?
Futur
won't I systematise? won't you systematise? won't he systematise? won't we systematise? won't you systematise? won't they systematise?
Futur continu
won't I be systematising? won't you be systematising? won't he be systematising? won't we be systematising? won't you be systematising? won't they be systematising?
Futur antérieur
won't I have systematised? won't you have systematised? won't he have systematised? won't we have systematised? won't you have systematised? won't they have systematised?
Futur antérieur continu
won't I have been systematising? won't you have been systematising? won't he have been systematising? won't we have been systematising? won't you have been systematising? won't they have been systematising?
Conditionnel
Présent
wouldn't I systematise? wouldn't you systematise? wouldn't he systematise? wouldn't we systematise? wouldn't you systematise? wouldn't they systematise?
Présent continu
wouldn't I be systematising? wouldn't you be systematising? wouldn't he be systematising? wouldn't we be systematising? wouldn't you be systematising? wouldn't they be systematising?
Passé
wouldn't I have systematised? wouldn't you have systematised? wouldn't he have systematised? wouldn't we have systematised? wouldn't you have systematised? wouldn't they have systematised?
Passé continu
wouldn't I have been systematising? wouldn't you have been systematising? wouldn't he have been systematising? wouldn't we have been systematising? wouldn't you have been systematising? wouldn't they have been systematising?