I don't filter you don't filter she doesn't filter we don't filter you don't filter they don't filter
Present continuous
I'm not filtering you aren't filtering she isn't filtering we aren't filtering you aren't filtering they aren't filtering
Preterite
I didn't filter you didn't filter she didn't filter we didn't filter you didn't filter they didn't filter
Preterite continuous
I wasn't filtering you weren't filtering she wasn't filtering we weren't filtering you weren't filtering they weren't filtering
Present perfect
I haven't filtered you haven't filtered she hasn't filtered we haven't filtered you haven't filtered they haven't filtered
Present perfect continuous
I haven't been filtering you haven't been filtering she hasn't been filtering we haven't been filtering you haven't been filtering they haven't been filtering
Pluperfect
I hadn't filtered you hadn't filtered she hadn't filtered we hadn't filtered you hadn't filtered they hadn't filtered
Pluperfect continuous
I hadn't been filtering you hadn't been filtering she hadn't been filtering we hadn't been filtering you hadn't been filtering they hadn't been filtering
Future
I won't filter you won't filter she won't filter we won't filter you won't filter they won't filter
Future continuous
I won't be filtering you won't be filtering she won't be filtering we won't be filtering you won't be filtering they won't be filtering
Future perfect
I won't have filtered you won't have filtered she won't have filtered we won't have filtered you won't have filtered they won't have filtered
Future perfect continuous
I won't have been filtering you won't have been filtering she won't have been filtering we won't have been filtering you won't have been filtering they won't have been filtering
Conditional
Present
I wouldn't filter you wouldn't filter she wouldn't filter we wouldn't filter you wouldn't filter they wouldn't filter
Present continuous
I wouldn't be filtering you wouldn't be filtering she wouldn't be filtering we wouldn't be filtering you wouldn't be filtering they wouldn't be filtering
Past
I wouldn't have filtered you wouldn't have filtered she wouldn't have filtered we wouldn't have filtered you wouldn't have filtered they wouldn't have filtered
Past continuous
I wouldn't have been filtering you wouldn't have been filtering she wouldn't have been filtering we wouldn't have been filtering you wouldn't have been filtering they wouldn't have been filtering