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