I sightsee you sightsee he sightsees we sightsee you sightsee they sightsee
Present continuous
I am sightseeing you are sightseeing he is sightseeing we are sightseeing you are sightseeing they are sightseeing
Preterite
I sightseed you sightseed he sightseed we sightseed you sightseed they sightseed
Preterite continuous
I was sightseeing you were sightseeing he was sightseeing we were sightseeing you were sightseeing they were sightseeing
Present perfect
I have sightseed you have sightseed he has sightseed we have sightseed you have sightseed they have sightseed
Present perfect continuous
I have been sightseeing you have been sightseeing he has been sightseeing we have been sightseeing you have been sightseeing they have been sightseeing
Pluperfect
I had sightseed you had sightseed he had sightseed we had sightseed you had sightseed they had sightseed
Pluperfect continuous
I had been sightseeing you had been sightseeing he had been sightseeing we had been sightseeing you had been sightseeing they had been sightseeing
Future
I will sightsee you will sightsee he will sightsee we will sightsee you will sightsee they will sightsee
Future continuous
I will be sightseeing you will be sightseeing he will be sightseeing we will be sightseeing you will be sightseeing they will be sightseeing
Future perfect
I will have sightseed you will have sightseed he will have sightseed we will have sightseed you will have sightseed they will have sightseed
Future perfect continuous
I will have been sightseeing you will have been sightseeing he will have been sightseeing we will have been sightseeing you will have been sightseeing they will have been sightseeing
Conditional
Present
I would sightsee you would sightsee he would sightsee we would sightsee you would sightsee they would sightsee
Present continuous
I would be sightseeing you would be sightseeing he would be sightseeing we would be sightseeing you would be sightseeing they would be sightseeing
Past
I would have sightseed you would have sightseed he would have sightseed we would have sightseed you would have sightseed they would have sightseed
Past continuous
I would have been sightseeing you would have been sightseeing he would have been sightseeing we would have been sightseeing you would have been sightseeing they would have been sightseeing