may preguarantee
Regular verb: preguarantee - preguaranteed- preguaranteed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may preguarantee
you may preguarantee
she may preguarantee
we may preguarantee
you may preguarantee
they may preguarantee 	I may be preguaranteeing
you may be preguaranteeing
she may be preguaranteeing
we may be preguaranteeing
you may be preguaranteeing
they may be preguaranteeing	I may have preguaranteed
you may have preguaranteed
she may have preguaranteed
we may have preguaranteed
you may have preguaranteed
they may have preguaranteed	I may have been preguaranteeing
you may have been preguaranteeing
she may have been preguaranteeing
we may have been preguaranteeing
you may have been preguaranteeing
they may have been preguaranteeing	

Negation 	
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I may not preguarantee
you may not preguarantee
she may not preguarantee
we may not preguarantee
you may not preguarantee
they may not preguarantee 	I may not be preguaranteeing
you may not be preguaranteeing
she may not be preguaranteeing
we may not be preguaranteeing
you may not be preguaranteeing
they may not be preguaranteeing	I may not have preguaranteed
you may not have preguaranteed
she may not have preguaranteed
we may not have preguaranteed
you may not have preguaranteed
they may not have preguaranteed	I may not have been preguaranteeing
you may not have been preguaranteeing
she may not have been preguaranteeing
we may not have been preguaranteeing
you may not have been preguaranteeing
they may not have been preguaranteeing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I preguarantee?
may you preguarantee?
may she preguarantee?
may we preguarantee?
may you preguarantee?
may they preguarantee? 	may I be preguaranteeing?
may you be preguaranteeing?
may she be preguaranteeing?
may we be preguaranteeing?
may you be preguaranteeing?
may they be preguaranteeing? 	may I have preguaranteed?
may you have preguaranteed?
may she have preguaranteed?
may we have preguaranteed?
may you have preguaranteed?
may they have preguaranteed? 	may I have been preguaranteeing?
may you have been preguaranteeing?
may she have been preguaranteeing?
may we have been preguaranteeing?
may you have been preguaranteeing?
may they have been preguaranteeing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not preguarantee?
may you not preguarantee?
may she not preguarantee?
may we not preguarantee?
may you not preguarantee?
may they not preguarantee? 	may I not be preguaranteeing?
may you not be preguaranteeing?
may she not be preguaranteeing?
may we not be preguaranteeing?
may you not be preguaranteeing?
may they not be preguaranteeing? 	may I not have preguaranteed?
may you not have preguaranteed?
may she not have preguaranteed?
may we not have preguaranteed?
may you not have preguaranteed?
may they not have preguaranteed? 	may I not have been preguaranteeing?
may you not have been preguaranteeing?
may she not have been preguaranteeing?
may we not have been preguaranteeing?
may you not have been preguaranteeing?
may they not have been preguaranteeing?