I can reinvestigate you can reinvestigate she can reinvestigate we can reinvestigate you can reinvestigate they can reinvestigate
V-ing form
I can be reinvestigating you can be reinvestigating she can be reinvestigating we can be reinvestigating you can be reinvestigating they can be reinvestigating
Perfect
I can have reinvestigated you can have reinvestigated she can have reinvestigated we can have reinvestigated you can have reinvestigated they can have reinvestigated
V-ing perfect
I can have been reinvestigating you can have been reinvestigating she can have been reinvestigating we can have been reinvestigating you can have been reinvestigating they can have been reinvestigating
Negation
Simple form
I cannot reinvestigate you cannot reinvestigate she cannot reinvestigate we cannot reinvestigate you cannot reinvestigate they cannot reinvestigate
V-ing form
I cannot be reinvestigating you cannot be reinvestigating she cannot be reinvestigating we cannot be reinvestigating you cannot be reinvestigating they cannot be reinvestigating
Perfect
I cannot have reinvestigated you cannot have reinvestigated she cannot have reinvestigated we cannot have reinvestigated you cannot have reinvestigated they cannot have reinvestigated
V-ing perfect
I cannot have been reinvestigating you cannot have been reinvestigating she cannot have been reinvestigating we cannot have been reinvestigating you cannot have been reinvestigating they cannot have been reinvestigating
Interrogative form
Simple form
can I reinvestigate? can you reinvestigate? can she reinvestigate? can we reinvestigate? can you reinvestigate? can they reinvestigate?
V-ing form
can I be reinvestigating? can you be reinvestigating? can she be reinvestigating? can we be reinvestigating? can you be reinvestigating? can they be reinvestigating?
Perfect
can I have reinvestigated? can you have reinvestigated? can she have reinvestigated? can we have reinvestigated? can you have reinvestigated? can they have reinvestigated?
V-ing perfect
can I have been reinvestigating? can you have been reinvestigating? can she have been reinvestigating? can we have been reinvestigating? can you have been reinvestigating? can they have been reinvestigating?
Interro-negative form
Simple form
can I not reinvestigate? can you not reinvestigate? can she not reinvestigate? can we not reinvestigate? can you not reinvestigate? can they not reinvestigate?
V-ing form
can I not be reinvestigating? can you not be reinvestigating? can she not be reinvestigating? can we not be reinvestigating? can you not be reinvestigating? can they not be reinvestigating?
Perfect
can I not have reinvestigated? can you not have reinvestigated? can she not have reinvestigated? can we not have reinvestigated? can you not have reinvestigated? can they not have reinvestigated?
V-ing perfect
can I not have been reinvestigating? can you not have been reinvestigating? can she not have been reinvestigating? can we not have been reinvestigating? can you not have been reinvestigating? can they not have been reinvestigating?