should fossilise
Regular verb: fossilise - fossilised- fossilised

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

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

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

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