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