English verb conjugation
CAN SHUDDER

Regular verb: shudder - shuddered - shuddered

Affirmation

Simple form	V-ing form
I can shudder you can shudder he can shudder we can shudder you can shudder they can shudder	I can be shuddering you can be shuddering he can be shuddering we can be shuddering you can be shuddering they can be shuddering
Perfect	V-ing perfect
I can have shuddered you can have shuddered he can have shuddered we can have shuddered you can have shuddered they can have shuddered	I can have been shuddering you can have been shuddering he can have been shuddering we can have been shuddering you can have been shuddering they can have been shuddering

Negation

Simple form	V-ing form
I can't shudder you can't shudder he can't shudder we can't shudder you can't shudder they can't shudder	I can't be shuddering you can't be shuddering he can't be shuddering we can't be shuddering you can't be shuddering they can't be shuddering
Perfect	V-ing perfect
I can't have shuddered you can't have shuddered he can't have shuddered we can't have shuddered you can't have shuddered they can't have shuddered	I can't have been shuddering you can't have been shuddering he can't have been shuddering we can't have been shuddering you can't have been shuddering they can't have been shuddering

Interrogative form

Simple form	V-ing form
can I shudder? can you shudder? can he shudder? can we shudder? can you shudder? can they shudder?	can I be shuddering? can you be shuddering? can he be shuddering? can we be shuddering? can you be shuddering? can they be shuddering?
Perfect	V-ing perfect
can I have shuddered? can you have shuddered? can he have shuddered? can we have shuddered? can you have shuddered? can they have shuddered?	can I have been shuddering? can you have been shuddering? can he have been shuddering? can we have been shuddering? can you have been shuddering? can they have been shuddering?

Interro-negative form

Simple form	V-ing form
can't I shudder? can't you shudder? can't he shudder? can't we shudder? can't you shudder? can't they shudder?	can't I be shuddering? can't you be shuddering? can't he be shuddering? can't we be shuddering? can't you be shuddering? can't they be shuddering?
Perfect	V-ing perfect
can't I have shuddered? can't you have shuddered? can't he have shuddered? can't we have shuddered? can't you have shuddered? can't they have shuddered?	can't I have been shuddering? can't you have been shuddering? can't he have been shuddering? can't we have been shuddering? can't you have been shuddering? can't they have been shuddering?