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 cannot toast you cannot toast he cannot toast we cannot toast you cannot toast they cannot toast	I cannot be toasting you cannot be toasting he cannot be toasting we cannot be toasting you cannot be toasting they cannot be toasting
Perfect	V-ing perfect
I cannot have toasted you cannot have toasted he cannot have toasted we cannot have toasted you cannot have toasted they cannot have toasted	I cannot have been toasting you cannot have been toasting he cannot have been toasting we cannot have been toasting you cannot have been toasting they cannot 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 I not toast? can you not toast? can he not toast? can we not toast? can you not toast? can they not toast?	can I not be toasting? can you not be toasting? can he not be toasting? can we not be toasting? can you not be toasting? can they not be toasting?
Perfect	V-ing perfect
can I not have toasted? can you not have toasted? can he not have toasted? can we not have toasted? can you not have toasted? can they not have toasted?	can I not have been toasting? can you not have been toasting? can he not have been toasting? can we not have been toasting? can you not have been toasting? can they not have been toasting?