English verb conjugation
CAN PLOP

Regular verb: plop - plopped - plopped

Affirmation

Simple form	V-ing form
I can plop you can plop he can plop we can plop you can plop they can plop	I can be plopping you can be plopping he can be plopping we can be plopping you can be plopping they can be plopping
Perfect	V-ing perfect
I can have plopped you can have plopped he can have plopped we can have plopped you can have plopped they can have plopped	I can have been plopping you can have been plopping he can have been plopping we can have been plopping you can have been plopping they can have been plopping

Negation

Simple form	V-ing form
I cannot plop you cannot plop he cannot plop we cannot plop you cannot plop they cannot plop	I cannot be plopping you cannot be plopping he cannot be plopping we cannot be plopping you cannot be plopping they cannot be plopping
Perfect	V-ing perfect
I cannot have plopped you cannot have plopped he cannot have plopped we cannot have plopped you cannot have plopped they cannot have plopped	I cannot have been plopping you cannot have been plopping he cannot have been plopping we cannot have been plopping you cannot have been plopping they cannot have been plopping

Interrogative form

Simple form	V-ing form
can I plop? can you plop? can he plop? can we plop? can you plop? can they plop?	can I be plopping? can you be plopping? can he be plopping? can we be plopping? can you be plopping? can they be plopping?
Perfect	V-ing perfect
can I have plopped? can you have plopped? can he have plopped? can we have plopped? can you have plopped? can they have plopped?	can I have been plopping? can you have been plopping? can he have been plopping? can we have been plopping? can you have been plopping? can they have been plopping?

Interro-negative form

Simple form	V-ing form
can I not plop? can you not plop? can he not plop? can we not plop? can you not plop? can they not plop?	can I not be plopping? can you not be plopping? can he not be plopping? can we not be plopping? can you not be plopping? can they not be plopping?
Perfect	V-ing perfect
can I not have plopped? can you not have plopped? can he not have plopped? can we not have plopped? can you not have plopped? can they not have plopped?	can I not have been plopping? can you not have been plopping? can he not have been plopping? can we not have been plopping? can you not have been plopping? can they not have been plopping?