虽然动词不定式和动名词在托福考试中不算是太大部分的考题，但是关于这类语法的出题频率还是比较稳定的。其中命题点主要集中在动词不定式和动名词的基本功能及正确形式，即(1)不定式to后面接原形动词，(2)动名词具有动词和名词两重功能，介词后面的动词必须以动名词形式出现。请看下面动词不定式题型：
1. 不定型工to后面接原形动词
全真例题分析
(1) Astronauts circling the Earth may get to seen sixteen sunrises and sixteen sunsets every day. (93.8)
[答案] C 动词不定型式的标志to后面应接动词原形see。
(2) Using their bills as needles, tailorbirds sew large leaves together with plant fiber to forming their nests. (90.10)
[答案] D to forming应改为to form正确的不定式形式。
(3) The poetry of e.e cummings illustrates the way in which some poets bend graminastical rules as they strive to expression their insights. (91.10)
[答案] D动词不定式to后面只能接原形动词，不能接名词。
(4) The dromedary camel is raised especially to racing. (91.1)
[答案] D这是一个非常简单的动词不定式错误形式的考题。Recing应改为race,与to组成不定式。
2. 动词不定式作目的状语
解题要点 不定式结构在句中可以作多种成分，目的状语则是TOEEL常考到的形式。动词不定型式作目的状语的命题主要分布在structure (1-15题)中。
全真例题分析
(1) A fuel is a substance used ------- light, heat .or energy .
(A) generating
(B) generates
(C) to generate
(D) it is generating
[答案] C 根据句意及结构，此句固选择动词不定式作目的状语。
(2) ------ stereophonic phonograph records, two recordings are made of the same musical performance.
(A) Creates
(B) Created
(C) The creating of
(D) To create (92.10)
[答案] D 这是典型的不定式作目的状语的句子。目的状语放在句首是表示强调。
(3) ------- time and labor, cartoonists generally draw the hands of their characters with only three fingers and a thumb.
(A) Saved
(B) Saves
(C) To save
(D) The saving (91.5)
[答案] C 此句与上面例题结构相同。不定式作目的状语，且放在句首表示强调。
3. 动名词的正确用法
解题要点 有关名词的考题并不很多，但有一个常出现的题型;介词后面的动词一定要用动名词形式，作介词的宾语。
全真例题分析
(1) Microwave cooking can be accureately described as the first absolutely new method of prepare food since the discovery of fire (94.1)
[答案] C 介词of后面应接动名词形式，即of preparing。
以上就是我们小站教育为大家整理的关于托福考试中动词不定式的语法介绍，希望大家看完有所了解!
