I don't trek you don't trek he doesn't trek we don't trek you don't trek they don't trek
Present continuous
I'm not trekking you aren't trekking he isn't trekking we aren't trekking you aren't trekking they aren't trekking
Preterite
I didn't trek you didn't trek he didn't trek we didn't trek you didn't trek they didn't trek
Preterite continuous
I wasn't trekking you weren't trekking he wasn't trekking we weren't trekking you weren't trekking they weren't trekking
Present perfect
I haven't trekked you haven't trekked he hasn't trekked we haven't trekked you haven't trekked they haven't trekked
Present perfect continuous
I haven't been trekking you haven't been trekking he hasn't been trekking we haven't been trekking you haven't been trekking they haven't been trekking
Pluperfect
I hadn't trekked you hadn't trekked he hadn't trekked we hadn't trekked you hadn't trekked they hadn't trekked
Pluperfect continuous
I hadn't been trekking you hadn't been trekking he hadn't been trekking we hadn't been trekking you hadn't been trekking they hadn't been trekking
Future
I won't trek you won't trek he won't trek we won't trek you won't trek they won't trek
Future continuous
I won't be trekking you won't be trekking he won't be trekking we won't be trekking you won't be trekking they won't be trekking
Future perfect
I won't have trekked you won't have trekked he won't have trekked we won't have trekked you won't have trekked they won't have trekked
Future perfect continuous
I won't have been trekking you won't have been trekking he won't have been trekking we won't have been trekking you won't have been trekking they won't have been trekking
Conditional
Present
I wouldn't trek you wouldn't trek he wouldn't trek we wouldn't trek you wouldn't trek they wouldn't trek
Present continuous
I wouldn't be trekking you wouldn't be trekking he wouldn't be trekking we wouldn't be trekking you wouldn't be trekking they wouldn't be trekking
Past
I wouldn't have trekked you wouldn't have trekked he wouldn't have trekked we wouldn't have trekked you wouldn't have trekked they wouldn't have trekked
Past continuous
I wouldn't have been trekking you wouldn't have been trekking he wouldn't have been trekking we wouldn't have been trekking you wouldn't have been trekking they wouldn't have been trekking