I could accost you could accost she could accost we could accost you could accost they could accost
V-ing form
I could be accosting you could be accosting she could be accosting we could be accosting you could be accosting they could be accosting
Perfect
I could have accosted you could have accosted she could have accosted we could have accosted you could have accosted they could have accosted
V-ing perfect
I could have been accosting you could have been accosting she could have been accosting we could have been accosting you could have been accosting they could have been accosting
Negation
Simple form
I couldn't accost you couldn't accost she couldn't accost we couldn't accost you couldn't accost they couldn't accost
V-ing form
I couldn't be accosting you couldn't be accosting she couldn't be accosting we couldn't be accosting you couldn't be accosting they couldn't be accosting
Perfect
I couldn't have accosted you couldn't have accosted she couldn't have accosted we couldn't have accosted you couldn't have accosted they couldn't have accosted
V-ing perfect
I couldn't have been accosting you couldn't have been accosting she couldn't have been accosting we couldn't have been accosting you couldn't have been accosting they couldn't have been accosting
Interrogative form
Simple form
could I accost? could you accost? could she accost? could we accost? could you accost? could they accost?
V-ing form
could I be accosting? could you be accosting? could she be accosting? could we be accosting? could you be accosting? could they be accosting?
Perfect
could I have accosted? could you have accosted? could she have accosted? could we have accosted? could you have accosted? could they have accosted?
V-ing perfect
could I have been accosting? could you have been accosting? could she have been accosting? could we have been accosting? could you have been accosting? could they have been accosting?
Interro-negative form
Simple form
couldn't I accost? couldn't you accost? couldn't she accost? couldn't we accost? couldn't you accost? couldn't they accost?
V-ing form
couldn't I be accosting? couldn't you be accosting? couldn't she be accosting? couldn't we be accosting? couldn't you be accosting? couldn't they be accosting?
Perfect
couldn't I have accosted? couldn't you have accosted? couldn't she have accosted? couldn't we have accosted? couldn't you have accosted? couldn't they have accosted?
V-ing perfect
couldn't I have been accosting? couldn't you have been accosting? couldn't she have been accosting? couldn't we have been accosting? couldn't you have been accosting? couldn't they have been accosting?