Irregular verb: spill - spilled, spilt - spilled, spilt
Affirmation
Simple form
I could spill you could spill he could spill we could spill you could spill they could spill
V-ing form
I could be spilling you could be spilling he could be spilling we could be spilling you could be spilling they could be spilling
Perfect
I could have spilled, spilt you could have spilled, spilt he could have spilled, spilt we could have spilled, spilt you could have spilled, spilt they could have spilled, spilt
V-ing perfect
I could have been spilling you could have been spilling he could have been spilling we could have been spilling you could have been spilling they could have been spilling
Negation
Simple form
I could not spill you could not spill he could not spill we could not spill you could not spill they could not spill
V-ing form
I could not be spilling you could not be spilling he could not be spilling we could not be spilling you could not be spilling they could not be spilling
Perfect
I could not have spilled, spilt you could not have spilled, spilt he could not have spilled, spilt we could not have spilled, spilt you could not have spilled, spilt they could not have spilled, spilt
V-ing perfect
I could not have been spilling you could not have been spilling he could not have been spilling we could not have been spilling you could not have been spilling they could not have been spilling
Interrogative form
Simple form
could I spill? could you spill? could he spill? could we spill? could you spill? could they spill?
V-ing form
could I be spilling? could you be spilling? could he be spilling? could we be spilling? could you be spilling? could they be spilling?
Perfect
could I have spilled, spilt? could you have spilled, spilt? could he have spilled, spilt? could we have spilled, spilt? could you have spilled, spilt? could they have spilled, spilt?
V-ing perfect
could I have been spilling? could you have been spilling? could he have been spilling? could we have been spilling? could you have been spilling? could they have been spilling?
Interro-negative form
Simple form
could I not spill? could you not spill? could he not spill? could we not spill? could you not spill? could they not spill?
V-ing form
could I not be spilling? could you not be spilling? could he not be spilling? could we not be spilling? could you not be spilling? could they not be spilling?
Perfect
could I not have spilled, spilt? could you not have spilled, spilt? could he not have spilled, spilt? could we not have spilled, spilt? could you not have spilled, spilt? could they not have spilled, spilt?
V-ing perfect
could I not have been spilling? could you not have been spilling? could he not have been spilling? could we not have been spilling? could you not have been spilling? could they not have been spilling?