英语语法训教程unit9 状语从句.ppt

Unit 9Adverbial Clauses状语从句 I. Grammar Learning II. Grammar Practice Grammar Learning 1. Introduction of Adverbial Clauses 2. Types of Adverbial Clauses 3. Examples 1. Introduction of Adverbial Clauses A dependent clause used as an adverb within a sentence also known as adverbial clause, to indicate time, place, reason, condition, purpose, result, concession, manner or contrast. An adverb clause begins with a subordinating conjunction (such as if, when, because, or although) and includes a subject and a predicate. The name adverbial suggests that adverbial clauses modify verbs; but they modify whole clauses. Their other key property is that they are adjuncts, since they are typically optional constituents in sentences. 2. Types of adverbial clauses adverbial clauses of time adverbial clauses of place adverbial clauses of reason adverbial clauses of condition adverbial clauses of purpose adverbial clauses of result adverbial clauses of concession adverbial clauses of contrast adverbial clauses of manner adverbial clauses of result 3. Examples 3.1时间状语从句 连词有when, before, after, since, while, as, as long as, the moment, next time until, till, hardly/scarcely...when/no sooner...than等。 When you think you know nothing, then you begin to know something. While John was watching TV, his wife was cooking. Every time I listen to your advice, I get into trouble. The children ran away from the orchard, the moment they saw the guard. I didn’t work until he came back. No sooner had I arrived home than it began to rain. 3.2 地点状语从句 连词有where和wherever。 Generally, air will be heavily polluted where there are factories. With a car a person can go where he pleases and when he pleases. Where there is a will, there is a way. Wherever the sea is, you will find seamen. 3.3 条件状语从句 连词主要有if, unless, on condition that, supposing (that)，pro