I don't trephine you don't trephine he doesn't trephine we don't trephine you don't trephine they don't trephine
Present continuous
I'm not trephining you aren't trephining he isn't trephining we aren't trephining you aren't trephining they aren't trephining
Preterite
I didn't trephine you didn't trephine he didn't trephine we didn't trephine you didn't trephine they didn't trephine
Preterite continuous
I wasn't trephining you weren't trephining he wasn't trephining we weren't trephining you weren't trephining they weren't trephining
Present perfect
I haven't trephined you haven't trephined he hasn't trephined we haven't trephined you haven't trephined they haven't trephined
Present perfect continuous
I haven't been trephining you haven't been trephining he hasn't been trephining we haven't been trephining you haven't been trephining they haven't been trephining
Pluperfect
I hadn't trephined you hadn't trephined he hadn't trephined we hadn't trephined you hadn't trephined they hadn't trephined
Pluperfect continuous
I hadn't been trephining you hadn't been trephining he hadn't been trephining we hadn't been trephining you hadn't been trephining they hadn't been trephining
Future
I won't trephine you won't trephine he won't trephine we won't trephine you won't trephine they won't trephine
Future continuous
I won't be trephining you won't be trephining he won't be trephining we won't be trephining you won't be trephining they won't be trephining
Future perfect
I won't have trephined you won't have trephined he won't have trephined we won't have trephined you won't have trephined they won't have trephined
Future perfect continuous
I won't have been trephining you won't have been trephining he won't have been trephining we won't have been trephining you won't have been trephining they won't have been trephining
Conditional
Present
I wouldn't trephine you wouldn't trephine he wouldn't trephine we wouldn't trephine you wouldn't trephine they wouldn't trephine
Present continuous
I wouldn't be trephining you wouldn't be trephining he wouldn't be trephining we wouldn't be trephining you wouldn't be trephining they wouldn't be trephining
Past
I wouldn't have trephined you wouldn't have trephined he wouldn't have trephined we wouldn't have trephined you wouldn't have trephined they wouldn't have trephined
Past continuous
I wouldn't have been trephining you wouldn't have been trephining he wouldn't have been trephining we wouldn't have been trephining you wouldn't have been trephining they wouldn't have been trephining
Imperative
Imperative
do not trephine Let's not trephine do not trephine