English verb conjugation
CAN STARCH

Regular verb: starch - starched - starched

Affirmation

Simple form	V-ing form
I can starch you can starch he can starch we can starch you can starch they can starch	I can be starching you can be starching he can be starching we can be starching you can be starching they can be starching
Perfect	V-ing perfect
I can have starched you can have starched he can have starched we can have starched you can have starched they can have starched	I can have been starching you can have been starching he can have been starching we can have been starching you can have been starching they can have been starching

Negation

Simple form	V-ing form
I cannot starch you cannot starch he cannot starch we cannot starch you cannot starch they cannot starch	I cannot be starching you cannot be starching he cannot be starching we cannot be starching you cannot be starching they cannot be starching
Perfect	V-ing perfect
I cannot have starched you cannot have starched he cannot have starched we cannot have starched you cannot have starched they cannot have starched	I cannot have been starching you cannot have been starching he cannot have been starching we cannot have been starching you cannot have been starching they cannot have been starching

Interrogative form

Simple form	V-ing form
can I starch? can you starch? can he starch? can we starch? can you starch? can they starch?	can I be starching? can you be starching? can he be starching? can we be starching? can you be starching? can they be starching?
Perfect	V-ing perfect
can I have starched? can you have starched? can he have starched? can we have starched? can you have starched? can they have starched?	can I have been starching? can you have been starching? can he have been starching? can we have been starching? can you have been starching? can they have been starching?

Interro-negative form

Simple form	V-ing form
can I not starch? can you not starch? can he not starch? can we not starch? can you not starch? can they not starch?	can I not be starching? can you not be starching? can he not be starching? can we not be starching? can you not be starching? can they not be starching?
Perfect	V-ing perfect
can I not have starched? can you not have starched? can he not have starched? can we not have starched? can you not have starched? can they not have starched?	can I not have been starching? can you not have been starching? can he not have been starching? can we not have been starching? can you not have been starching? can they not have been starching?