English verb conjugation
CAN PREWEIGH

Regular verb: preweigh - preweighed - preweighed

Affirmation

Simple form	V-ing form
I can preweigh you can preweigh he can preweigh we can preweigh you can preweigh they can preweigh	I can be preweighing you can be preweighing he can be preweighing we can be preweighing you can be preweighing they can be preweighing
Perfect	V-ing perfect
I can have preweighed you can have preweighed he can have preweighed we can have preweighed you can have preweighed they can have preweighed	I can have been preweighing you can have been preweighing he can have been preweighing we can have been preweighing you can have been preweighing they can have been preweighing

Negation

Simple form	V-ing form
I cannot preweigh you cannot preweigh he cannot preweigh we cannot preweigh you cannot preweigh they cannot preweigh	I cannot be preweighing you cannot be preweighing he cannot be preweighing we cannot be preweighing you cannot be preweighing they cannot be preweighing
Perfect	V-ing perfect
I cannot have preweighed you cannot have preweighed he cannot have preweighed we cannot have preweighed you cannot have preweighed they cannot have preweighed	I cannot have been preweighing you cannot have been preweighing he cannot have been preweighing we cannot have been preweighing you cannot have been preweighing they cannot have been preweighing

Interrogative form

Simple form	V-ing form
can I preweigh? can you preweigh? can he preweigh? can we preweigh? can you preweigh? can they preweigh?	can I be preweighing? can you be preweighing? can he be preweighing? can we be preweighing? can you be preweighing? can they be preweighing?
Perfect	V-ing perfect
can I have preweighed? can you have preweighed? can he have preweighed? can we have preweighed? can you have preweighed? can they have preweighed?	can I have been preweighing? can you have been preweighing? can he have been preweighing? can we have been preweighing? can you have been preweighing? can they have been preweighing?

Interro-negative form

Simple form	V-ing form
can I not preweigh? can you not preweigh? can he not preweigh? can we not preweigh? can you not preweigh? can they not preweigh?	can I not be preweighing? can you not be preweighing? can he not be preweighing? can we not be preweighing? can you not be preweighing? can they not be preweighing?
Perfect	V-ing perfect
can I not have preweighed? can you not have preweighed? can he not have preweighed? can we not have preweighed? can you not have preweighed? can they not have preweighed?	can I not have been preweighing? can you not have been preweighing? can he not have been preweighing? can we not have been preweighing? can you not have been preweighing? can they not have been preweighing?