don't I tunnel? don't you tunnel? doesn't he tunnel? don't we tunnel? don't you tunnel? don't they tunnel?
Present continuous
am I not tunnelling? aren't you tunnelling? isn't he tunnelling? aren't we tunnelling? aren't you tunnelling? aren't they tunnelling?
Preterite
didn't I tunnel? didn't you tunnel? didn't he tunnel? didn't we tunnel? didn't you tunnel? didn't they tunnel?
Preterite continuous
wasn't I tunnelling? weren't you tunnelling? wasn't he tunnelling? weren't we tunnelling? weren't you tunnelling? weren't they tunnelling?
Present perfect
haven't I tunnelled? haven't you tunnelled? hasn't he tunnelled? haven't we tunnelled? haven't you tunnelled? haven't they tunnelled?
Present perfect continuous
haven't I been tunnelling? haven't you been tunnelling? hasn't he been tunnelling? haven't we been tunnelling? haven't you been tunnelling? haven't they been tunnelling?
Pluperfect
hadn't I tunnelled? hadn't you tunnelled? hadn't he tunnelled? hadn't we tunnelled? hadn't you tunnelled? hadn't they tunnelled?
Pluperfect continuous
hadn't I been tunnelling? hadn't you been tunnelling? hadn't he been tunnelling? hadn't we been tunnelling? hadn't you been tunnelling? hadn't they been tunnelling?
Future
won't I tunnel? won't you tunnel? won't he tunnel? won't we tunnel? won't you tunnel? won't they tunnel?
Future continuous
won't I be tunnelling? won't you be tunnelling? won't he be tunnelling? won't we be tunnelling? won't you be tunnelling? won't they be tunnelling?
Future perfect
won't I have tunnelled? won't you have tunnelled? won't he have tunnelled? won't we have tunnelled? won't you have tunnelled? won't they have tunnelled?
Future perfect continuous
won't I have been tunnelling? won't you have been tunnelling? won't he have been tunnelling? won't we have been tunnelling? won't you have been tunnelling? won't they have been tunnelling?
Conditional
Present
wouldn't I tunnel? wouldn't you tunnel? wouldn't he tunnel? wouldn't we tunnel? wouldn't you tunnel? wouldn't they tunnel?
Present continuous
wouldn't I be tunnelling? wouldn't you be tunnelling? wouldn't he be tunnelling? wouldn't we be tunnelling? wouldn't you be tunnelling? wouldn't they be tunnelling?
Past
wouldn't I have tunnelled? wouldn't you have tunnelled? wouldn't he have tunnelled? wouldn't we have tunnelled? wouldn't you have tunnelled? wouldn't they have tunnelled?
Past continuous
wouldn't I have been tunnelling? wouldn't you have been tunnelling? wouldn't he have been tunnelling? wouldn't we have been tunnelling? wouldn't you have been tunnelling? wouldn't they have been tunnelling?