English verb conjugation
CAN PREPROGRAM

Regular verb: preprogram - preprogramed - preprogramed

Affirmation

Simple form	V-ing form
I can preprogram you can preprogram he can preprogram we can preprogram you can preprogram they can preprogram	I can be preprograming you can be preprograming he can be preprograming we can be preprograming you can be preprograming they can be preprograming
Perfect	V-ing perfect
I can have preprogramed you can have preprogramed he can have preprogramed we can have preprogramed you can have preprogramed they can have preprogramed	I can have been preprograming you can have been preprograming he can have been preprograming we can have been preprograming you can have been preprograming they can have been preprograming

Negation

Simple form	V-ing form
I can't preprogram you can't preprogram he can't preprogram we can't preprogram you can't preprogram they can't preprogram	I can't be preprograming you can't be preprograming he can't be preprograming we can't be preprograming you can't be preprograming they can't be preprograming
Perfect	V-ing perfect
I can't have preprogramed you can't have preprogramed he can't have preprogramed we can't have preprogramed you can't have preprogramed they can't have preprogramed	I can't have been preprograming you can't have been preprograming he can't have been preprograming we can't have been preprograming you can't have been preprograming they can't have been preprograming

Interrogative form

Simple form	V-ing form
can I preprogram? can you preprogram? can he preprogram? can we preprogram? can you preprogram? can they preprogram?	can I be preprograming? can you be preprograming? can he be preprograming? can we be preprograming? can you be preprograming? can they be preprograming?
Perfect	V-ing perfect
can I have preprogramed? can you have preprogramed? can he have preprogramed? can we have preprogramed? can you have preprogramed? can they have preprogramed?	can I have been preprograming? can you have been preprograming? can he have been preprograming? can we have been preprograming? can you have been preprograming? can they have been preprograming?

Interro-negative form

Simple form	V-ing form
can't I preprogram? can't you preprogram? can't he preprogram? can't we preprogram? can't you preprogram? can't they preprogram?	can't I be preprograming? can't you be preprograming? can't he be preprograming? can't we be preprograming? can't you be preprograming? can't they be preprograming?
Perfect	V-ing perfect
can't I have preprogramed? can't you have preprogramed? can't he have preprogramed? can't we have preprogramed? can't you have preprogramed? can't they have preprogramed?	can't I have been preprograming? can't you have been preprograming? can't he have been preprograming? can't we have been preprograming? can't you have been preprograming? can't they have been preprograming?