Problems With Verbs (21): Negative agreement.

(My roommate won't go, and neither will I)

- (S): My roommate
- (MODAL): won't
- (verb word): go,
- (and): and
- (neither): neither
- (MODAL): will
- (S): I

(My roommate hasn't gone, and neither have I)

- (S): My roommate
- (HAVE): hasn't
- (participle): gone,
- (and): and
- (neither): neither
- (HAVE): have
- (S): I

(My roommate doesn't go, and neither do I)

- (S): My roommate
- (DO): doesn't
- (verb word): go,
- (and): and
- (neither): neither
- (DO): do
- (S): I

(My roommate isn't going, and neither am I)

- (S): My roommate
- (BE not): isn't
- (- ing form): going,
- (and): and
- (neither): neither
- (BE): am
- (S): I


Avoid using (either) instead of neither. Avoid using the subject before (BE), (DO), (HAVE), or the modal in a clause with (neither).


(My roommate won't go, and I won't either)

- (S): My roommate
- (MODAL): won't
- (verb word): go,
- (and): and
- (S): I
- (MODAL): won't
- (either): either


(My roommate hasn't gone, and I haven't either)

- (S): My roommate
- (HAVE): hasn't
- (participle): gone,
- (and): and
- (S): I
- (HAVE): haven't
- (Either): either


(My roommate doesn't go, and I don't either)

- (S): My roommate
- (DO): doesn't
- (verb word): go,
- (and): and
- (S): I
- (DO): don't
- (Either): either


(My roommate isn't going, and I'm not either)

- (S): My roommate
- (BE not): isn't
- (- ing form,): going,
- (and): and
- (S): I
- (BE not): 'm not
- (either): either

Avoid using (neither) instead of (either).

Examples:

Incorrect: (She hasn't finished) the assignment yet, and (neither I have).
Correct: (She hasn't finished) the assignment yet, and (neither have I).

[OR]

Correct: (She hasn't finished) the assignment yet, and (I haven't either).

Incorrect: (I didn't know) the answer, and (he didn't neither)
Correct: (I didn't know) the answer, and (neither did he).

[OR]

Correct: (I didn't know) the answer, and (he didn't either)

Incorrect: If (Jane won't go) to the party, (either will he).
Correct: If (Jane won't go) to the party, (neither will he).

[OR]

correct: If (Jane won't go) to the party, (he won't either).

Incorrect: (She is not) in agreement, and (neither do I).
Correct: (She is not) in agreement, and (neither am I).

[OR]

Correct: (She is not) in agreement, and (I'm not either).

Incorrect: (He won't be) here today, and (either his sister will).
Correct: (He won't be) here today, and (neither will his sister).

[OR]

correct: (He won't be) here today, and (his sister won't either).