Regular verb: bill - billed - billed
Simple form | V-ing form |
I can bill you can bill she can bill we can bill you can bill they can bill | I can be billing you can be billing she can be billing we can be billing you can be billing they can be billing |
Perfect | V-ing perfect |
I can have billed you can have billed she can have billed we can have billed you can have billed they can have billed | I can have been billing you can have been billing she can have been billing we can have been billing you can have been billing they can have been billing |
Simple form | V-ing form |
I can't bill you can't bill she can't bill we can't bill you can't bill they can't bill | I can't be billing you can't be billing she can't be billing we can't be billing you can't be billing they can't be billing |
Perfect | V-ing perfect |
I can't have billed you can't have billed she can't have billed we can't have billed you can't have billed they can't have billed | I can't have been billing you can't have been billing she can't have been billing we can't have been billing you can't have been billing they can't have been billing |
Simple form | V-ing form |
can I bill? can you bill? can she bill? can we bill? can you bill? can they bill? | can I be billing? can you be billing? can she be billing? can we be billing? can you be billing? can they be billing? |
Perfect | V-ing perfect |
can I have billed? can you have billed? can she have billed? can we have billed? can you have billed? can they have billed? | can I have been billing? can you have been billing? can she have been billing? can we have been billing? can you have been billing? can they have been billing? |
Simple form | V-ing form |
can't I bill? can't you bill? can't she bill? can't we bill? can't you bill? can't they bill? | can't I be billing? can't you be billing? can't she be billing? can't we be billing? can't you be billing? can't they be billing? |
Perfect | V-ing perfect |
can't I have billed? can't you have billed? can't she have billed? can't we have billed? can't you have billed? can't they have billed? | can't I have been billing? can't you have been billing? can't she have been billing? can't we have been billing? can't you have been billing? can't they have been billing? |