Regular verb: refer - referred - referred
Simple form | V-ing form |
I can refer you can refer he can refer we can refer you can refer they can refer | I can be referring you can be referring he can be referring we can be referring you can be referring they can be referring |
Perfect | V-ing perfect |
I can have referred you can have referred he can have referred we can have referred you can have referred they can have referred | I can have been referring you can have been referring he can have been referring we can have been referring you can have been referring they can have been referring |
Simple form | V-ing form |
I can't refer you can't refer he can't refer we can't refer you can't refer they can't refer | I can't be referring you can't be referring he can't be referring we can't be referring you can't be referring they can't be referring |
Perfect | V-ing perfect |
I can't have referred you can't have referred he can't have referred we can't have referred you can't have referred they can't have referred | I can't have been referring you can't have been referring he can't have been referring we can't have been referring you can't have been referring they can't have been referring |
Simple form | V-ing form |
can I refer? can you refer? can he refer? can we refer? can you refer? can they refer? | can I be referring? can you be referring? can he be referring? can we be referring? can you be referring? can they be referring? |
Perfect | V-ing perfect |
can I have referred? can you have referred? can he have referred? can we have referred? can you have referred? can they have referred? | can I have been referring? can you have been referring? can he have been referring? can we have been referring? can you have been referring? can they have been referring? |
Simple form | V-ing form |
can't I refer? can't you refer? can't he refer? can't we refer? can't you refer? can't they refer? | can't I be referring? can't you be referring? can't he be referring? can't we be referring? can't you be referring? can't they be referring? |
Perfect | V-ing perfect |
can't I have referred? can't you have referred? can't he have referred? can't we have referred? can't you have referred? can't they have referred? | can't I have been referring? can't you have been referring? can't he have been referring? can't we have been referring? can't you have been referring? can't they have been referring? |