I can jest you can jest she can jest we can jest you can jest they can jest
Forma con V-ing
I can be jesting you can be jesting she can be jesting we can be jesting you can be jesting they can be jesting
Perfecto
I can have jested you can have jested she can have jested we can have jested you can have jested they can have jested
Perfecto con V-ing
I can have been jesting you can have been jesting she can have been jesting we can have been jesting you can have been jesting they can have been jesting
Negación
Forma simple
I can't jest you can't jest she can't jest we can't jest you can't jest they can't jest
Forma con V-ing
I can't be jesting you can't be jesting she can't be jesting we can't be jesting you can't be jesting they can't be jesting
Perfecto
I can't have jested you can't have jested she can't have jested we can't have jested you can't have jested they can't have jested
Perfecto con V-ing
I can't have been jesting you can't have been jesting she can't have been jesting we can't have been jesting you can't have been jesting they can't have been jesting
Forma interrogativa
Forma simple
can I jest? can you jest? can she jest? can we jest? can you jest? can they jest?
Forma con V-ing
can I be jesting? can you be jesting? can she be jesting? can we be jesting? can you be jesting? can they be jesting?
Perfecto
can I have jested? can you have jested? can she have jested? can we have jested? can you have jested? can they have jested?
Perfecto con V-ing
can I have been jesting? can you have been jesting? can she have been jesting? can we have been jesting? can you have been jesting? can they have been jesting?
Forma interro-negativa
Forma simple
can't I jest? can't you jest? can't she jest? can't we jest? can't you jest? can't they jest?
Forma con V-ing
can't I be jesting? can't you be jesting? can't she be jesting? can't we be jesting? can't you be jesting? can't they be jesting?
Perfecto
can't I have jested? can't you have jested? can't she have jested? can't we have jested? can't you have jested? can't they have jested?
Perfecto con V-ing
can't I have been jesting? can't you have been jesting? can't she have been jesting? can't we have been jesting? can't you have been jesting? can't they have been jesting?