S SmartDocs

英語

基礎から上級までの英文法、解答と語彙集つき。

English EN 更新日 2026-08-02

Advanced Passives and Causatives

Some verbs pair a transitive use with an intransitive one in which the object becomes the subject — no passive morphology needed. These are ergative verbs

記事を読む →
English EN 更新日 2026-08-02

Syntax: Constituents, Phrases, and Functions

To master the hardest points of English, it helps to see sentences the way linguists do: as hierarchies of constituents, each with a category (what it is) and a function (what it does).

記事を読む →
English EN 更新日 2026-08-02

Information Structure: Given, New, and End-Weight

Two sentences can be truth-conditionally identical yet feel utterly different in context. Information structure — the packaging of given and new information — explains why, and it governs most “which version sounds bette

記事を読む →
English EN 更新日 2026-08-02

Agreement: The Hard Cases

Subject–verb agreement is trivial until it isn't. This chapter collects the cases that trip up even professional writers, and the principles that resolve them: grammatical concord (match the form), notional concord (matc

記事を読む →
English EN 更新日 2026-08-02

Hedging, Modality, and Academic Register

Expert writing is judged not only by correctness but by calibration: claiming exactly as much as the evidence allows. The grammar of hedging and boosting is the instrument of that calibration.

記事を読む →
English EN 更新日 2026-08-02

Punctuation Mastery

Punctuation is grammar made visible. At an expert level it is not decoration but a system of signals with near-grammatical rules.

記事を読む →
English EN 更新日 2026-08-02

Structural Traps: Danglers, Parallelism, and Ambiguity

This chapter is a field guide to the constructions that ambush proficient writers: sentences that are grammatical in form yet defective in attachment, balance, or reference.

記事を読む →
English EN 更新日 2026-08-02

Usage Disputes and the Grammar of Style

The final frontier of mastery is knowing which “rules” are real, which are conventions of edited prose, and which are superstitions. This chapter sorts the classic disputes into three bins: genuine rules, register conven

記事を読む →
English EN 更新日 2026-08-02

How to Use This Book

This book is a complete course in English grammar, organized in four parts of increasing difficulty. It is designed to work both as a course you can read from start to finish and as a reference you can dip into when you

記事を読む →
English EN 更新日 2026-08-04

Everyday English Vocabulary

Each volume contains 10 fields with 3,750 words per field (37,500 words per level). Levels are ordered by word frequency (Beginner = most common; Very Advanced = rarest / most specialist), using WordNet definitions.

記事を読む →