can infill
Regular verb: infill - infilled- infilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can infill
you can infill
he can infill
we can infill
you can infill
they can infill 	I can be infilling
you can be infilling
he can be infilling
we can be infilling
you can be infilling
they can be infilling	I can have infilled
you can have infilled
he can have infilled
we can have infilled
you can have infilled
they can have infilled	I can have been infilling
you can have been infilling
he can have been infilling
we can have been infilling
you can have been infilling
they can have been infilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't infill
you can't infill
he can't infill
we can't infill
you can't infill
they can't infill 	I can't be infilling
you can't be infilling
he can't be infilling
we can't be infilling
you can't be infilling
they can't be infilling	I can't have infilled
you can't have infilled
he can't have infilled
we can't have infilled
you can't have infilled
they can't have infilled	I can't have been infilling
you can't have been infilling
he can't have been infilling
we can't have been infilling
you can't have been infilling
they can't have been infilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I infill?
can you infill?
can he infill?
can we infill?
can you infill?
can they infill? 	can I be infilling?
can you be infilling?
can he be infilling?
can we be infilling?
can you be infilling?
can they be infilling? 	can I have infilled?
can you have infilled?
can he have infilled?
can we have infilled?
can you have infilled?
can they have infilled? 	can I have been infilling?
can you have been infilling?
can he have been infilling?
can we have been infilling?
can you have been infilling?
can they have been infilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I infill?
can't you infill?
can't he infill?
can't we infill?
can't you infill?
can't they infill? 	can't I be infilling?
can't you be infilling?
can't he be infilling?
can't we be infilling?
can't you be infilling?
can't they be infilling? 	can't I have infilled?
can't you have infilled?
can't he have infilled?
can't we have infilled?
can't you have infilled?
can't they have infilled? 	can't I have been infilling?
can't you have been infilling?
can't he have been infilling?
can't we have been infilling?
can't you have been infilling?
can't they have been infilling?