English verb conjugation
CAN SIMPER

Regular verb: simper - simpered - simpered

Affirmation

Simple form	V-ing form
I can simper you can simper he can simper we can simper you can simper they can simper	I can be simpering you can be simpering he can be simpering we can be simpering you can be simpering they can be simpering
Perfect	V-ing perfect
I can have simpered you can have simpered he can have simpered we can have simpered you can have simpered they can have simpered	I can have been simpering you can have been simpering he can have been simpering we can have been simpering you can have been simpering they can have been simpering

Negation

Simple form	V-ing form
I can't simper you can't simper he can't simper we can't simper you can't simper they can't simper	I can't be simpering you can't be simpering he can't be simpering we can't be simpering you can't be simpering they can't be simpering
Perfect	V-ing perfect
I can't have simpered you can't have simpered he can't have simpered we can't have simpered you can't have simpered they can't have simpered	I can't have been simpering you can't have been simpering he can't have been simpering we can't have been simpering you can't have been simpering they can't have been simpering

Interrogative form

Simple form	V-ing form
can I simper? can you simper? can he simper? can we simper? can you simper? can they simper?	can I be simpering? can you be simpering? can he be simpering? can we be simpering? can you be simpering? can they be simpering?
Perfect	V-ing perfect
can I have simpered? can you have simpered? can he have simpered? can we have simpered? can you have simpered? can they have simpered?	can I have been simpering? can you have been simpering? can he have been simpering? can we have been simpering? can you have been simpering? can they have been simpering?

Interro-negative form

Simple form	V-ing form
can't I simper? can't you simper? can't he simper? can't we simper? can't you simper? can't they simper?	can't I be simpering? can't you be simpering? can't he be simpering? can't we be simpering? can't you be simpering? can't they be simpering?
Perfect	V-ing perfect
can't I have simpered? can't you have simpered? can't he have simpered? can't we have simpered? can't you have simpered? can't they have simpered?	can't I have been simpering? can't you have been simpering? can't he have been simpering? can't we have been simpering? can't you have been simpering? can't they have been simpering?