may fossilise
Regular verb: fossilise - fossilised- fossilised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may fossilise
you may fossilise
he may fossilise
we may fossilise
you may fossilise
they may fossilise 	I may be fossilising
you may be fossilising
he may be fossilising
we may be fossilising
you may be fossilising
they may be fossilising	I may have fossilised
you may have fossilised
he may have fossilised
we may have fossilised
you may have fossilised
they may have fossilised	I may have been fossilising
you may have been fossilising
he may have been fossilising
we may have been fossilising
you may have been fossilising
they may have been fossilising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not fossilise
you may not fossilise
he may not fossilise
we may not fossilise
you may not fossilise
they may not fossilise 	I may not be fossilising
you may not be fossilising
he may not be fossilising
we may not be fossilising
you may not be fossilising
they may not be fossilising	I may not have fossilised
you may not have fossilised
he may not have fossilised
we may not have fossilised
you may not have fossilised
they may not have fossilised	I may not have been fossilising
you may not have been fossilising
he may not have been fossilising
we may not have been fossilising
you may not have been fossilising
they may not have been fossilising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I fossilise?
may you fossilise?
may he fossilise?
may we fossilise?
may you fossilise?
may they fossilise? 	may I be fossilising?
may you be fossilising?
may he be fossilising?
may we be fossilising?
may you be fossilising?
may they be fossilising? 	may I have fossilised?
may you have fossilised?
may he have fossilised?
may we have fossilised?
may you have fossilised?
may they have fossilised? 	may I have been fossilising?
may you have been fossilising?
may he have been fossilising?
may we have been fossilising?
may you have been fossilising?
may they have been fossilising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not fossilise?
may you not fossilise?
may he not fossilise?
may we not fossilise?
may you not fossilise?
may they not fossilise? 	may I not be fossilising?
may you not be fossilising?
may he not be fossilising?
may we not be fossilising?
may you not be fossilising?
may they not be fossilising? 	may I not have fossilised?
may you not have fossilised?
may he not have fossilised?
may we not have fossilised?
may you not have fossilised?
may they not have fossilised? 	may I not have been fossilising?
may you not have been fossilising?
may he not have been fossilising?
may we not have been fossilising?
may you not have been fossilising?
may they not have been fossilising?