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