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