may cross-fertilise
Regular verb: cross-fertilise - cross-fertilised- cross-fertilised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may cross-fertilise
you may cross-fertilise
she may cross-fertilise
we may cross-fertilise
you may cross-fertilise
they may cross-fertilise 	I may be cross-fertilising
you may be cross-fertilising
she may be cross-fertilising
we may be cross-fertilising
you may be cross-fertilising
they may be cross-fertilising	I may have cross-fertilised
you may have cross-fertilised
she may have cross-fertilised
we may have cross-fertilised
you may have cross-fertilised
they may have cross-fertilised	I may have been cross-fertilising
you may have been cross-fertilising
she may have been cross-fertilising
we may have been cross-fertilising
you may have been cross-fertilising
they may have been cross-fertilising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not cross-fertilise
you may not cross-fertilise
she may not cross-fertilise
we may not cross-fertilise
you may not cross-fertilise
they may not cross-fertilise 	I may not be cross-fertilising
you may not be cross-fertilising
she may not be cross-fertilising
we may not be cross-fertilising
you may not be cross-fertilising
they may not be cross-fertilising	I may not have cross-fertilised
you may not have cross-fertilised
she may not have cross-fertilised
we may not have cross-fertilised
you may not have cross-fertilised
they may not have cross-fertilised	I may not have been cross-fertilising
you may not have been cross-fertilising
she may not have been cross-fertilising
we may not have been cross-fertilising
you may not have been cross-fertilising
they may not have been cross-fertilising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I cross-fertilise?
may you cross-fertilise?
may she cross-fertilise?
may we cross-fertilise?
may you cross-fertilise?
may they cross-fertilise? 	may I be cross-fertilising?
may you be cross-fertilising?
may she be cross-fertilising?
may we be cross-fertilising?
may you be cross-fertilising?
may they be cross-fertilising? 	may I have cross-fertilised?
may you have cross-fertilised?
may she have cross-fertilised?
may we have cross-fertilised?
may you have cross-fertilised?
may they have cross-fertilised? 	may I have been cross-fertilising?
may you have been cross-fertilising?
may she have been cross-fertilising?
may we have been cross-fertilising?
may you have been cross-fertilising?
may they have been cross-fertilising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not cross-fertilise?
may you not cross-fertilise?
may she not cross-fertilise?
may we not cross-fertilise?
may you not cross-fertilise?
may they not cross-fertilise? 	may I not be cross-fertilising?
may you not be cross-fertilising?
may she not be cross-fertilising?
may we not be cross-fertilising?
may you not be cross-fertilising?
may they not be cross-fertilising? 	may I not have cross-fertilised?
may you not have cross-fertilised?
may she not have cross-fertilised?
may we not have cross-fertilised?
may you not have cross-fertilised?
may they not have cross-fertilised? 	may I not have been cross-fertilising?
may you not have been cross-fertilising?
may she not have been cross-fertilising?
may we not have been cross-fertilising?
may you not have been cross-fertilising?
may they not have been cross-fertilising?