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 can't preweigh you can't preweigh he can't preweigh we can't preweigh you can't preweigh they can't preweigh	I can't be preweighing you can't be preweighing he can't be preweighing we can't be preweighing you can't be preweighing they can't be preweighing
Perfect	V-ing perfect
I can't have preweighed you can't have preweighed he can't have preweighed we can't have preweighed you can't have preweighed they can't have preweighed	I can't have been preweighing you can't have been preweighing he can't have been preweighing we can't have been preweighing you can't have been preweighing they can't 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't I preweigh? can't you preweigh? can't he preweigh? can't we preweigh? can't you preweigh? can't they preweigh?	can't I be preweighing? can't you be preweighing? can't he be preweighing? can't we be preweighing? can't you be preweighing? can't they be preweighing?
Perfect	V-ing perfect
can't I have preweighed? can't you have preweighed? can't he have preweighed? can't we have preweighed? can't you have preweighed? can't they have preweighed?	can't I have been preweighing? can't you have been preweighing? can't he have been preweighing? can't we have been preweighing? can't you have been preweighing? can't they have been preweighing?