I can quest you can quest he can quest we can quest you can quest they can quest
Forma con V-ing
I can be questing you can be questing he can be questing we can be questing you can be questing they can be questing
Perfecto
I can have quested you can have quested he can have quested we can have quested you can have quested they can have quested
Perfecto con V-ing
I can have been questing you can have been questing he can have been questing we can have been questing you can have been questing they can have been questing
Negación
Forma simple
I can't quest you can't quest he can't quest we can't quest you can't quest they can't quest
Forma con V-ing
I can't be questing you can't be questing he can't be questing we can't be questing you can't be questing they can't be questing
Perfecto
I can't have quested you can't have quested he can't have quested we can't have quested you can't have quested they can't have quested
Perfecto con V-ing
I can't have been questing you can't have been questing he can't have been questing we can't have been questing you can't have been questing they can't have been questing
Forma interrogativa
Forma simple
can I quest? can you quest? can he quest? can we quest? can you quest? can they quest?
Forma con V-ing
can I be questing? can you be questing? can he be questing? can we be questing? can you be questing? can they be questing?
Perfecto
can I have quested? can you have quested? can he have quested? can we have quested? can you have quested? can they have quested?
Perfecto con V-ing
can I have been questing? can you have been questing? can he have been questing? can we have been questing? can you have been questing? can they have been questing?
Forma interro-negativa
Forma simple
can't I quest? can't you quest? can't he quest? can't we quest? can't you quest? can't they quest?
Forma con V-ing
can't I be questing? can't you be questing? can't he be questing? can't we be questing? can't you be questing? can't they be questing?
Perfecto
can't I have quested? can't you have quested? can't he have quested? can't we have quested? can't you have quested? can't they have quested?
Perfecto con V-ing
can't I have been questing? can't you have been questing? can't he have been questing? can't we have been questing? can't you have been questing? can't they have been questing?