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