English verb conjugation
CAN TOAST

Regular verb: toast - toasted - toasted

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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