English verb conjugation
CAN FLUSTER

Regular verb: fluster - flustered - flustered

Affirmation

Simple form	V-ing form
I can fluster you can fluster he can fluster we can fluster you can fluster they can fluster	I can be flustering you can be flustering he can be flustering we can be flustering you can be flustering they can be flustering
Perfect	V-ing perfect
I can have flustered you can have flustered he can have flustered we can have flustered you can have flustered they can have flustered	I can have been flustering you can have been flustering he can have been flustering we can have been flustering you can have been flustering they can have been flustering

Negation

Simple form	V-ing form
I cannot fluster you cannot fluster he cannot fluster we cannot fluster you cannot fluster they cannot fluster	I cannot be flustering you cannot be flustering he cannot be flustering we cannot be flustering you cannot be flustering they cannot be flustering
Perfect	V-ing perfect
I cannot have flustered you cannot have flustered he cannot have flustered we cannot have flustered you cannot have flustered they cannot have flustered	I cannot have been flustering you cannot have been flustering he cannot have been flustering we cannot have been flustering you cannot have been flustering they cannot have been flustering

Interrogative form

Simple form	V-ing form
can I fluster? can you fluster? can he fluster? can we fluster? can you fluster? can they fluster?	can I be flustering? can you be flustering? can he be flustering? can we be flustering? can you be flustering? can they be flustering?
Perfect	V-ing perfect
can I have flustered? can you have flustered? can he have flustered? can we have flustered? can you have flustered? can they have flustered?	can I have been flustering? can you have been flustering? can he have been flustering? can we have been flustering? can you have been flustering? can they have been flustering?

Interro-negative form

Simple form	V-ing form
can I not fluster? can you not fluster? can he not fluster? can we not fluster? can you not fluster? can they not fluster?	can I not be flustering? can you not be flustering? can he not be flustering? can we not be flustering? can you not be flustering? can they not be flustering?
Perfect	V-ing perfect
can I not have flustered? can you not have flustered? can he not have flustered? can we not have flustered? can you not have flustered? can they not have flustered?	can I not have been flustering? can you not have been flustering? can he not have been flustering? can we not have been flustering? can you not have been flustering? can they not have been flustering?