English verb conjugation
CAN WASTE

Regular verb: waste - wasted - wasted

Affirmation

Simple form	V-ing form
I can waste you can waste she can waste we can waste you can waste they can waste	I can be wasting you can be wasting she can be wasting we can be wasting you can be wasting they can be wasting
Perfect	V-ing perfect
I can have wasted you can have wasted she can have wasted we can have wasted you can have wasted they can have wasted	I can have been wasting you can have been wasting she can have been wasting we can have been wasting you can have been wasting they can have been wasting

Negation

Simple form	V-ing form
I can't waste you can't waste she can't waste we can't waste you can't waste they can't waste	I can't be wasting you can't be wasting she can't be wasting we can't be wasting you can't be wasting they can't be wasting
Perfect	V-ing perfect
I can't have wasted you can't have wasted she can't have wasted we can't have wasted you can't have wasted they can't have wasted	I can't have been wasting you can't have been wasting she can't have been wasting we can't have been wasting you can't have been wasting they can't have been wasting

Interrogative form

Simple form	V-ing form
can I waste? can you waste? can she waste? can we waste? can you waste? can they waste?	can I be wasting? can you be wasting? can she be wasting? can we be wasting? can you be wasting? can they be wasting?
Perfect	V-ing perfect
can I have wasted? can you have wasted? can she have wasted? can we have wasted? can you have wasted? can they have wasted?	can I have been wasting? can you have been wasting? can she have been wasting? can we have been wasting? can you have been wasting? can they have been wasting?

Interro-negative form

Simple form	V-ing form
can't I waste? can't you waste? can't she waste? can't we waste? can't you waste? can't they waste?	can't I be wasting? can't you be wasting? can't she be wasting? can't we be wasting? can't you be wasting? can't they be wasting?
Perfect	V-ing perfect
can't I have wasted? can't you have wasted? can't she have wasted? can't we have wasted? can't you have wasted? can't they have wasted?	can't I have been wasting? can't you have been wasting? can't she have been wasting? can't we have been wasting? can't you have been wasting? can't they have been wasting?