English verb conjugation
CAN FROGMARCH

Regular verb: frogmarch - frogmarched - frogmarched

Affirmation

Simple form	V-ing form
I can frogmarch you can frogmarch he can frogmarch we can frogmarch you can frogmarch they can frogmarch	I can be frogmarching you can be frogmarching he can be frogmarching we can be frogmarching you can be frogmarching they can be frogmarching
Perfect	V-ing perfect
I can have frogmarched you can have frogmarched he can have frogmarched we can have frogmarched you can have frogmarched they can have frogmarched	I can have been frogmarching you can have been frogmarching he can have been frogmarching we can have been frogmarching you can have been frogmarching they can have been frogmarching

Negation

Simple form	V-ing form
I cannot frogmarch you cannot frogmarch he cannot frogmarch we cannot frogmarch you cannot frogmarch they cannot frogmarch	I cannot be frogmarching you cannot be frogmarching he cannot be frogmarching we cannot be frogmarching you cannot be frogmarching they cannot be frogmarching
Perfect	V-ing perfect
I cannot have frogmarched you cannot have frogmarched he cannot have frogmarched we cannot have frogmarched you cannot have frogmarched they cannot have frogmarched	I cannot have been frogmarching you cannot have been frogmarching he cannot have been frogmarching we cannot have been frogmarching you cannot have been frogmarching they cannot have been frogmarching

Interrogative form

Simple form	V-ing form
can I frogmarch? can you frogmarch? can he frogmarch? can we frogmarch? can you frogmarch? can they frogmarch?	can I be frogmarching? can you be frogmarching? can he be frogmarching? can we be frogmarching? can you be frogmarching? can they be frogmarching?
Perfect	V-ing perfect
can I have frogmarched? can you have frogmarched? can he have frogmarched? can we have frogmarched? can you have frogmarched? can they have frogmarched?	can I have been frogmarching? can you have been frogmarching? can he have been frogmarching? can we have been frogmarching? can you have been frogmarching? can they have been frogmarching?

Interro-negative form

Simple form	V-ing form
can I not frogmarch? can you not frogmarch? can he not frogmarch? can we not frogmarch? can you not frogmarch? can they not frogmarch?	can I not be frogmarching? can you not be frogmarching? can he not be frogmarching? can we not be frogmarching? can you not be frogmarching? can they not be frogmarching?
Perfect	V-ing perfect
can I not have frogmarched? can you not have frogmarched? can he not have frogmarched? can we not have frogmarched? can you not have frogmarched? can they not have frogmarched?	can I not have been frogmarching? can you not have been frogmarching? can he not have been frogmarching? can we not have been frogmarching? can you not have been frogmarching? can they not have been frogmarching?