Grammar Explanation for the use of So, neither, too, either

2. WHEN TO USE SO, NEITHER, TOO, EITHER
WE CAN USE THEM TO EXPRESS BOTH,
AGREEMENT AND DISAGREEMENT.

3. AGREEMENT

4. TO EXPRESS AGREEMENT
WHEN WE AGREE WITH AN AFFIRMATIVE STATEMENT BUT WE DON’T WANT TO REPEAT IT WE USE THE
FOLLOWING OPTIONS.
SO + AFFIRMATIVE AUX. VERB + SUBJECT
SUBJECT + AFFIRMATIVE AUXILIARY VERB + TOO
A: I play the guitar.
B; So do I. / I do too.
A: Sandra has seen this film.
B; So have I. / I have too.

5. TO EXPRESS AGREEMENT
WHEN WE AGREE WITH A NEGATIVE STATEMENT, BUT WE DON’T WANT TO REPEAT IT WE USE THE FOLLOWING
OPTIONS.
NEITHER + AFFIRMATIVE AUX. VERB + SUBJECT
SUBJECT + NEGATIVE AUXILIARY VERB + EITHER
A: Paul can’t swim.
B: Neither can I. / I can’t either.
A: Macy won’t go to the party.
B; Neither will I. / I won’t either.

6. DISAGREEMENT

7. TO EXPRESS DISAGREEMENT
WHEN WE DISAGREE WITH A NEGATIVE STATEMENT BUT WE DON’T WANT TO REPEAT IT WE USE THE
FOLLOWING OPTION.
SUBJECT + AFFIRMATIVE AUXILIARY VERB
A: I can’t play the guitar.
B: Oh, I can.
A: They won’t go to the party.
B; Oh, I will.

8. TO EXPRESS DISAGREEMENT
WHEN WE DISAGREE WITH AN AFFIRMATIVE STATEMENT, BUT WE DON’T WANT TO REPEAT IT WE USE THE
FOLLOWING OPTION.
SUBJECT + NEGATIVE AUXILIARY VERB
A: I’ve been to Madrid twice.
B: Oh, I haven’t.
A: I will arrive at the party by car.
B; Oh, I won’t.

9. EXERCISES

10. EXERCISE 01
I AM HAPPY.
YOU ARE MAKING A NOISE.
I NEED MOREMONEY.
STEVE LIKES PIZZA.
I WAS TIREDTHIS MORNING.
WE WERE LATE.
I WATCHED A MOVIE LAST NIGHT.
SHE CAN PLAY THE GUITAR.
WE COULDSEE THE STARS.
SHE WILL WIN AN AWARD.
I WOULDLIKE A CUPOF COFFEE.
HE SHOULDSTUDYMORE.
THEY HAVE FINISHEDEARLY.
HE HAD EATEN TOO MUCH.
SO AM I.
SO ARE YOU.
SO DO I
SO DOES MARY.
SO WAS I.
SO WERE THEY.
SO DIDI.
SO CAN I.
SO COULDI.
SO WILL I.
SO WOULDI.
SO SHOULDI.
SO HAVE I.
SO HAD I.
I AM HAPPY TOO.
YOU ARE MAKING A NOISE TOO.
I NEED MOREMONEY TOO.
MARY LIKES PIZZATOO.
I WAS TIREDTHIS MORNING TOO.
WE WERE LATE TOO.
I WATCHED A MOVIE LAST NIGHT TOO.
SHE CAN PLAY THE GUITARTOO.
WE COULDSEE THE STARS TOO.
SHE WILL WIN AN AWARDTOO.
I WOULDLIKE A CUPOF COFFEETOO.
HE SHOULDSTUDYMORETOO.
THEY HAVE FINISHEDEARLY TOO.
HE HAD EATEN TOO MUCH TOO.
Sometimes you can use So + Auxiliary + Subject as a continuation of the first part of the sentence.
E.i. John can sing well an so can his brother.
John can sing well and his brother can sing well too.

11. EXERCISE 02
I AM NOT HUNGRY.
YOU AREN’T TRYING.
I DON’T NEED HELP.
STEVE DOESN’T LIKE FISH.
I WASN’T BORED.
THEY WEREN’T INVITED.
I DIDN’T LIKE THE BOOK.
I CAN’T SWIM.
I COULDN’T SEE HIM.
SHE WON’T BE THERE.
I WOULDN’T EAT THAT.
I SHOULDN’T WORRY.
THEY HAVEN’T STUDIED.
HE HADN’T FINISHED.
NEITHER AM I.
NEITHER ARE YOU.
NEITHER DO I
NEITHER DOES SAM.
NEITHER WAS I.
NEITHER WERE WE.
NEITHER DIDI.
NEITHER CAN I.
NEITHER COULDI.
NEITHER WILLI.
NEITHER WOULDI.
NEITHER SHOULDI.
NEITHER HAVE I.
NEITHER HAD I.
I AM NOT (HUNGRY)EITHER.
YOU AREN’T (TRYING) EITHER.
I DON’T (NEED HELP) EITHER.
SAM DOESN’T (LIKE FISH)EITHER.
I WASN’T (BORED)EITHER.
THEY WEREN’T (INVITED) EITHER.
I DIDN’T (LIKE THE BOOK)EITHER.
I CAN’T (SWIM)EITHER.
I COULDN’T (SEE HIM) EITHER.
SHE WON’T (BE THERE) EITHER.
I WOULDN’T (EAT THAT) EITHER.
I SHOULDN’T (WORRY)EITHER.
THEY HAVEN’T (STUDIED)EITHER.
HE HADN’T (FINISHED)EITHER.
Sometimes you will see or hear NOR + Auxiliary + Subject.
E.i. A: I wasn’t ready. B: Nor was I.
I’m not hungry too. (incorrect)  Too is positive statements.
I’m not hungry either. (correct)