can sextuple
Regular verb: sextuple - sextupled- sextupled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can sextuple
you can sextuple
he can sextuple
we can sextuple
you can sextuple
they can sextuple 	I can be sextupling
you can be sextupling
he can be sextupling
we can be sextupling
you can be sextupling
they can be sextupling	I can have sextupled
you can have sextupled
he can have sextupled
we can have sextupled
you can have sextupled
they can have sextupled	I can have been sextupling
you can have been sextupling
he can have been sextupling
we can have been sextupling
you can have been sextupling
they can have been sextupling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't sextuple
you can't sextuple
he can't sextuple
we can't sextuple
you can't sextuple
they can't sextuple 	I can't be sextupling
you can't be sextupling
he can't be sextupling
we can't be sextupling
you can't be sextupling
they can't be sextupling	I can't have sextupled
you can't have sextupled
he can't have sextupled
we can't have sextupled
you can't have sextupled
they can't have sextupled	I can't have been sextupling
you can't have been sextupling
he can't have been sextupling
we can't have been sextupling
you can't have been sextupling
they can't have been sextupling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I sextuple?
can you sextuple?
can he sextuple?
can we sextuple?
can you sextuple?
can they sextuple? 	can I be sextupling?
can you be sextupling?
can he be sextupling?
can we be sextupling?
can you be sextupling?
can they be sextupling? 	can I have sextupled?
can you have sextupled?
can he have sextupled?
can we have sextupled?
can you have sextupled?
can they have sextupled? 	can I have been sextupling?
can you have been sextupling?
can he have been sextupling?
can we have been sextupling?
can you have been sextupling?
can they have been sextupling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I sextuple?
can't you sextuple?
can't he sextuple?
can't we sextuple?
can't you sextuple?
can't they sextuple? 	can't I be sextupling?
can't you be sextupling?
can't he be sextupling?
can't we be sextupling?
can't you be sextupling?
can't they be sextupling? 	can't I have sextupled?
can't you have sextupled?
can't he have sextupled?
can't we have sextupled?
can't you have sextupled?
can't they have sextupled? 	can't I have been sextupling?
can't you have been sextupling?
can't he have been sextupling?
can't we have been sextupling?
can't you have been sextupling?
can't they have been sextupling?