2. Grammar In "How To Use This Guide" from "The ABC Of Plain Words" by E Gowers

To help you in finding guidance on points of grammar, here is an index in nine classified groups:

1 Verbs, Their Moods And Tenses
Ing endings
Shall and Will
Subjunctive (uses of)
Tenses, Sequence of tenses
Verbs, omission of
Would
2 Pronouns
Each, Either, One
Pronouns (use of)
Repetition
Same (as a pronoun)
Such, That
They for He or She
3 Relatives
Comma, That, What, When
Which, Which & That
Who & Whom
Whose
4 The Cases
I and Me
Than (than whom)
What (in two cases at once)
Which (in two cases at once)
Who & Whom
5 Number (Singular Or Plural)
Agenda
Collective words
Data
Each
Either
Follows (as follows)
Kind (these kind of)
Majority
Many a
Means
More than one
Neither. . . nor,
None
Number
Singular & Plural Verbs
Sort (see Kind)
There is (and There are)
They for He or She
What
6 Negatives
Negative (double negatives)
Neither ... nor
Non (as a prefix)
None
Nor and or
Un—(confusion caused by)
7 Duplication
Double passives
Negative (double negative)
One
Overlapping
That (carelessly repeated)
8 Miscellaneous Rules
And Conventions
And (beginning a sentence)
And which (proper use of)
Circumstances (in or under)
First (or firstly)
First two (or two first)
Idiom
Preposition (at end of sentence)
Split infinitive
Very (very pleased)
Whose (used of things)

9 Words That Set Grammatical Trap

Aim, As, As to
Avail, Averse
Because
Between
Both, But
Capable
Compare
Consist
Depend
Differ
Different
Doubt
Due to
Entail
Equally
Even
Following
Follows (as follows)
Forecast
Hope
If
Inform, Kind
Like
Not
One, Only
Order (in order that)
Otherwise
Prefer
Prepositions
Prevent
Prohibit
Purport (as a verb)
Regard
Sort (see Kind)
Such (such as, such that, such and so)
That
The more, etc.
Unequal
Very
Worth (worth while)
Write