The document discusses the use of the words "both", "either", "neither", "none" and "both...and", "neither...nor", "either...or" in sentences. It provides examples of how each word is used in affirmative and negative sentences with singular and plural verbs. For example, "both" is used for two things and takes a plural verb, while "neither...nor" is used when something is not true for two things and the verb is usually singular. It also gives exercises for the reader to practice using these words.

1. BOTH, EITHER, NEITHER, NONE

2. BOTH: used for two things, people, …-
affirmative sentences and plural verb.
• Mary and Ann are both cousins.
• Both of them are engineers.
• Both (of the) chairs are taken.

3. BOTH …AND
• BOTH … AND is used when something is true
for two people, two things…
Both my sister and my brother are doctors.

4. NEITHER OF: used for two people, two things, …
Used in affirmative sentences. Sing/Pl verb
Mary and Ann want to get a dog. Neither of
them has/have had a pet before.

5. NEITHER…NOR: used when something is not true
for two people or things, … The verb is usually
singular.
Neither Mary nor Jean likes tennis.

6. EITHER…OR: used when something is true for
one of the two people, things, …
Either she was too too busy or she didn’t want to
come.
You can have either coffee or tea; choose which
one you prefer.

7. NONE is used for more than two people, things … It
is used in affirmative sentences and gives a negative
meaning. It takes a singular or a plural verb. It
expresses the idea of “not a single one.”
All my friends love hip hop. None of them
like/likes pop.
None of my friends called me on my birthday.

8. • None of my relatives live/lives in Barcelona.
• Have you ever met my brothers? Yes, I’ve met both,
Juan and Pablo.
• Neither my son nor my daughter likes rap.
• In the end I had to choose: either my job or my hobby.
• We could either fly or go by train.

9. Now try these online exercises.
• http://www.myenglishpages.com/site_php_files/gra
mmar-exercise-either-or-neither-nor.php
• http://www.bbc.co.uk/learningenglish/english/cours
e/intermediate/unit-3/session-2/activity-2
• https://www.usingenglish.com/quizzes/44.html
• https://www.englishgrammar.org/grammar-exercise-
42/
• http://www.polseguera.org/online_exams/exam.php
?id=58&idioma=English