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