内容正文:
四位一体——知识清单+难点突破+解题秘诀+易错题型
高中英语语法一点通——非谓语动词
知识清单
1、 非谓语动词作状语
1、 不定式作状语
1 不定式在句中作目的状语,有时候为了强调,可以在不定式前加上in order或者so as,但是so as to do只能放在句中。
Helen had to shout to make herself heard above the sound of the music.
He got up early in order to/so as to catch the first bus.
2 不定式在句中作结果状语,往往表示出乎意料的结果,不定式前常加上only或者never。
He hurried to the station only to find that the train had left.
3 不定式用在某些形容词后作状语,表示喜、怒、哀、乐等原因。
I am so sorry to hear about your failure in business.
2、 分词作状语
1 分词作状语时,可以表示时间、原因、条件、结果、让步、伴随等,分词作状语的逻辑主语通常是另外一个句子的主语。
Separated from other continents for millions of years, Australia has many plants and animals not found in the other countries in the world.(原因)
They cut off the electricity, preventing a fire in time.(结果,表示“自然而言”的结果)
Encouraged by his parents, he still has no confidence in overcoming the difficulties.(让步)
Given five more minutes, I will complete the task.(条件)
The kids lay on the grass, staring at the blue sky.(伴随)
注意:表示时间关系的分词作状语,可由连词when和while引出。
Be careful while/when