can ultracentrifuge
Regular verb: ultracentrifuge - ultracentrifuged- ultracentrifuged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can ultracentrifuge
you can ultracentrifuge
he can ultracentrifuge
we can ultracentrifuge
you can ultracentrifuge
they can ultracentrifuge 	I can be ultracentrifuging
you can be ultracentrifuging
he can be ultracentrifuging
we can be ultracentrifuging
you can be ultracentrifuging
they can be ultracentrifuging	I can have ultracentrifuged
you can have ultracentrifuged
he can have ultracentrifuged
we can have ultracentrifuged
you can have ultracentrifuged
they can have ultracentrifuged	I can have been ultracentrifuging
you can have been ultracentrifuging
he can have been ultracentrifuging
we can have been ultracentrifuging
you can have been ultracentrifuging
they can have been ultracentrifuging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot ultracentrifuge
you cannot ultracentrifuge
he cannot ultracentrifuge
we cannot ultracentrifuge
you cannot ultracentrifuge
they cannot ultracentrifuge 	I cannot be ultracentrifuging
you cannot be ultracentrifuging
he cannot be ultracentrifuging
we cannot be ultracentrifuging
you cannot be ultracentrifuging
they cannot be ultracentrifuging	I cannot have ultracentrifuged
you cannot have ultracentrifuged
he cannot have ultracentrifuged
we cannot have ultracentrifuged
you cannot have ultracentrifuged
they cannot have ultracentrifuged	I cannot have been ultracentrifuging
you cannot have been ultracentrifuging
he cannot have been ultracentrifuging
we cannot have been ultracentrifuging
you cannot have been ultracentrifuging
they cannot have been ultracentrifuging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I ultracentrifuge?
can you ultracentrifuge?
can he ultracentrifuge?
can we ultracentrifuge?
can you ultracentrifuge?
can they ultracentrifuge? 	can I be ultracentrifuging?
can you be ultracentrifuging?
can he be ultracentrifuging?
can we be ultracentrifuging?
can you be ultracentrifuging?
can they be ultracentrifuging? 	can I have ultracentrifuged?
can you have ultracentrifuged?
can he have ultracentrifuged?
can we have ultracentrifuged?
can you have ultracentrifuged?
can they have ultracentrifuged? 	can I have been ultracentrifuging?
can you have been ultracentrifuging?
can he have been ultracentrifuging?
can we have been ultracentrifuging?
can you have been ultracentrifuging?
can they have been ultracentrifuging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not ultracentrifuge?
can you not ultracentrifuge?
can he not ultracentrifuge?
can we not ultracentrifuge?
can you not ultracentrifuge?
can they not ultracentrifuge? 	can I not be ultracentrifuging?
can you not be ultracentrifuging?
can he not be ultracentrifuging?
can we not be ultracentrifuging?
can you not be ultracentrifuging?
can they not be ultracentrifuging? 	can I not have ultracentrifuged?
can you not have ultracentrifuged?
can he not have ultracentrifuged?
can we not have ultracentrifuged?
can you not have ultracentrifuged?
can they not have ultracentrifuged? 	can I not have been ultracentrifuging?
can you not have been ultracentrifuging?
can he not have been ultracentrifuging?
can we not have been ultracentrifuging?
can you not have been ultracentrifuging?
can they not have been ultracentrifuging?