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