Page 64 - Practical English Usage 3ed - Michael Swan, Oxford

4
This does not happen with complement pronouns (after be) or in short answers.
I think that's all o f them. (NOT .. think that'3 thenl all.)
Whodidsheinvite?-Allofus.(NOT USall.)
All can follow a subject pronoun (e.g. They all went home), but in this case it belongs grammatically with the verb (see 37) and may be separated from the pronoun (e.g. They have all gone home).
For the American plural pronoun YOIl all, see 429.8. types of noun
All is used mostly before uncountable and plural nouns. all the water all my friends
However, all can be used before some singular countable nouns referring to things that can naturally be divided into parts.
all that week all my family all the way
We can also use all (oj) before proper nouns (e.g. the names of places or writers).
All (oj) London knew about her affairs. I've read all (oj) Shakespeare. With other singular countable nouns, it is more natural to use whole (e.g. the
whole story). For details. see 40. leaving out the
After all, we sometimes leave out the before numbers. all (the) three brothers
And we usually leave out the in all day. all night, all week, all year. all winter and all summer.
5
She stayed here all day. (NOT ••• all the day). 6 notall...
It is not very common to use all + noun as the subject of a negative verb (e.g. All Americans don't like hamburgers). We more often use not all + noun +
affinnative verb.
Not all Americans like hamburgers.
Note the difference between not all and no. Compare:
Not all birds can fly.
No birds can play chess.
37 all (3): with the verb
When all refers to the subject of a clause, it can go with the verb, in 'mid- position' (for details of word order. see 24.)
We can all swim. Those apples were all bad.
The guests have all arrived. My family all work in education.
Note that these meanings can also be expressed by using all (oj) with the subject (see 36).
All o f us can swim. All (oj) the guests have arrived.
all (3): with the verb 37
page 32