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