I could accrete you could accrete he could accrete we could accrete you could accrete they could accrete
V-ing form
I could be accreting you could be accreting he could be accreting we could be accreting you could be accreting they could be accreting
Perfect
I could have accreted you could have accreted he could have accreted we could have accreted you could have accreted they could have accreted
V-ing perfect
I could have been accreting you could have been accreting he could have been accreting we could have been accreting you could have been accreting they could have been accreting
Negation
Simple form
I could not accrete you could not accrete he could not accrete we could not accrete you could not accrete they could not accrete
V-ing form
I could not be accreting you could not be accreting he could not be accreting we could not be accreting you could not be accreting they could not be accreting
Perfect
I could not have accreted you could not have accreted he could not have accreted we could not have accreted you could not have accreted they could not have accreted
V-ing perfect
I could not have been accreting you could not have been accreting he could not have been accreting we could not have been accreting you could not have been accreting they could not have been accreting
Interrogative form
Simple form
could I accrete? could you accrete? could he accrete? could we accrete? could you accrete? could they accrete?
V-ing form
could I be accreting? could you be accreting? could he be accreting? could we be accreting? could you be accreting? could they be accreting?
Perfect
could I have accreted? could you have accreted? could he have accreted? could we have accreted? could you have accreted? could they have accreted?
V-ing perfect
could I have been accreting? could you have been accreting? could he have been accreting? could we have been accreting? could you have been accreting? could they have been accreting?
Interro-negative form
Simple form
could I not accrete? could you not accrete? could he not accrete? could we not accrete? could you not accrete? could they not accrete?
V-ing form
could I not be accreting? could you not be accreting? could he not be accreting? could we not be accreting? could you not be accreting? could they not be accreting?
Perfect
could I not have accreted? could you not have accreted? could he not have accreted? could we not have accreted? could you not have accreted? could they not have accreted?
V-ing perfect
could I not have been accreting? could you not have been accreting? could he not have been accreting? could we not have been accreting? could you not have been accreting? could they not have been accreting?