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