I could mire you could mire he could mire we could mire you could mire they could mire
V-ing form
I could be miring you could be miring he could be miring we could be miring you could be miring they could be miring
Perfect
I could have mired you could have mired he could have mired we could have mired you could have mired they could have mired
V-ing perfect
I could have been miring you could have been miring he could have been miring we could have been miring you could have been miring they could have been miring
Negation
Simple form
I couldn't mire you couldn't mire he couldn't mire we couldn't mire you couldn't mire they couldn't mire
V-ing form
I couldn't be miring you couldn't be miring he couldn't be miring we couldn't be miring you couldn't be miring they couldn't be miring
Perfect
I couldn't have mired you couldn't have mired he couldn't have mired we couldn't have mired you couldn't have mired they couldn't have mired
V-ing perfect
I couldn't have been miring you couldn't have been miring he couldn't have been miring we couldn't have been miring you couldn't have been miring they couldn't have been miring
Interrogative form
Simple form
could I mire? could you mire? could he mire? could we mire? could you mire? could they mire?
V-ing form
could I be miring? could you be miring? could he be miring? could we be miring? could you be miring? could they be miring?
Perfect
could I have mired? could you have mired? could he have mired? could we have mired? could you have mired? could they have mired?
V-ing perfect
could I have been miring? could you have been miring? could he have been miring? could we have been miring? could you have been miring? could they have been miring?
Interro-negative form
Simple form
couldn't I mire? couldn't you mire? couldn't he mire? couldn't we mire? couldn't you mire? couldn't they mire?
V-ing form
couldn't I be miring? couldn't you be miring? couldn't he be miring? couldn't we be miring? couldn't you be miring? couldn't they be miring?
Perfect
couldn't I have mired? couldn't you have mired? couldn't he have mired? couldn't we have mired? couldn't you have mired? couldn't they have mired?
V-ing perfect
couldn't I have been miring? couldn't you have been miring? couldn't he have been miring? couldn't we have been miring? couldn't you have been miring? couldn't they have been miring?