English verb conjugation
COULD TOAST

Regular verb: toast - toasted - toasted

Affirmation

Simple form	V-ing form
I could toast you could toast he could toast we could toast you could toast they could toast	I could be toasting you could be toasting he could be toasting we could be toasting you could be toasting they could be toasting
Perfect	V-ing perfect
I could have toasted you could have toasted he could have toasted we could have toasted you could have toasted they could have toasted	I could have been toasting you could have been toasting he could have been toasting we could have been toasting you could have been toasting they could have been toasting

Negation

Simple form	V-ing form
I couldn't toast you couldn't toast he couldn't toast we couldn't toast you couldn't toast they couldn't toast	I couldn't be toasting you couldn't be toasting he couldn't be toasting we couldn't be toasting you couldn't be toasting they couldn't be toasting
Perfect	V-ing perfect
I couldn't have toasted you couldn't have toasted he couldn't have toasted we couldn't have toasted you couldn't have toasted they couldn't have toasted	I couldn't have been toasting you couldn't have been toasting he couldn't have been toasting we couldn't have been toasting you couldn't have been toasting they couldn't have been toasting

Interrogative form

Simple form	V-ing form
could I toast? could you toast? could he toast? could we toast? could you toast? could they toast?	could I be toasting? could you be toasting? could he be toasting? could we be toasting? could you be toasting? could they be toasting?
Perfect	V-ing perfect
could I have toasted? could you have toasted? could he have toasted? could we have toasted? could you have toasted? could they have toasted?	could I have been toasting? could you have been toasting? could he have been toasting? could we have been toasting? could you have been toasting? could they have been toasting?

Interro-negative form

Simple form	V-ing form
couldn't I toast? couldn't you toast? couldn't he toast? couldn't we toast? couldn't you toast? couldn't they toast?	couldn't I be toasting? couldn't you be toasting? couldn't he be toasting? couldn't we be toasting? couldn't you be toasting? couldn't they be toasting?
Perfect	V-ing perfect
couldn't I have toasted? couldn't you have toasted? couldn't he have toasted? couldn't we have toasted? couldn't you have toasted? couldn't they have toasted?	couldn't I have been toasting? couldn't you have been toasting? couldn't he have been toasting? couldn't we have been toasting? couldn't you have been toasting? couldn't they have been toasting?