English verb conjugation
COULD SANDBLAST

Regular verb: sandblast - sandblasted - sandblasted

Affirmation

Simple form	V-ing form
I could sandblast you could sandblast he could sandblast we could sandblast you could sandblast they could sandblast	I could be sandblasting you could be sandblasting he could be sandblasting we could be sandblasting you could be sandblasting they could be sandblasting
Perfect	V-ing perfect
I could have sandblasted you could have sandblasted he could have sandblasted we could have sandblasted you could have sandblasted they could have sandblasted	I could have been sandblasting you could have been sandblasting he could have been sandblasting we could have been sandblasting you could have been sandblasting they could have been sandblasting

Negation

Simple form	V-ing form
I couldn't sandblast you couldn't sandblast he couldn't sandblast we couldn't sandblast you couldn't sandblast they couldn't sandblast	I couldn't be sandblasting you couldn't be sandblasting he couldn't be sandblasting we couldn't be sandblasting you couldn't be sandblasting they couldn't be sandblasting
Perfect	V-ing perfect
I couldn't have sandblasted you couldn't have sandblasted he couldn't have sandblasted we couldn't have sandblasted you couldn't have sandblasted they couldn't have sandblasted	I couldn't have been sandblasting you couldn't have been sandblasting he couldn't have been sandblasting we couldn't have been sandblasting you couldn't have been sandblasting they couldn't have been sandblasting

Interrogative form

Simple form	V-ing form
could I sandblast? could you sandblast? could he sandblast? could we sandblast? could you sandblast? could they sandblast?	could I be sandblasting? could you be sandblasting? could he be sandblasting? could we be sandblasting? could you be sandblasting? could they be sandblasting?
Perfect	V-ing perfect
could I have sandblasted? could you have sandblasted? could he have sandblasted? could we have sandblasted? could you have sandblasted? could they have sandblasted?	could I have been sandblasting? could you have been sandblasting? could he have been sandblasting? could we have been sandblasting? could you have been sandblasting? could they have been sandblasting?

Interro-negative form

Simple form	V-ing form
couldn't I sandblast? couldn't you sandblast? couldn't he sandblast? couldn't we sandblast? couldn't you sandblast? couldn't they sandblast?	couldn't I be sandblasting? couldn't you be sandblasting? couldn't he be sandblasting? couldn't we be sandblasting? couldn't you be sandblasting? couldn't they be sandblasting?
Perfect	V-ing perfect
couldn't I have sandblasted? couldn't you have sandblasted? couldn't he have sandblasted? couldn't we have sandblasted? couldn't you have sandblasted? couldn't they have sandblasted?	couldn't I have been sandblasting? couldn't you have been sandblasting? couldn't he have been sandblasting? couldn't we have been sandblasting? couldn't you have been sandblasting? couldn't they have been sandblasting?