動詞不定式和動名詞出題頻率比較穩定，即不頻繁，亦無間斷。命題焦占主要集中在動詞不定式和動名詞的基本功能及正確形式，即（1）不定式to后面接原形動詞，（2）動名詞具有動詞和名詞兩重功能，介詞后面的動詞必須以動名詞形式出現。不定式和動名詞�？碱}型
1. 不定型工to后面接原形動詞
例題分析
(1) Astronauts circling the Earth may get to seen sixteen sunrises and sixteen sunsets every day.
[答案] 動詞不定型式的標志to后面應接動詞原形see。
(2) Using their bills as needles, tailorbirds sew large leaves together with plant fiber to forming their nests.
[答案] to forming應改為to form正確的不定式形式。
(3) The poetry of E.E Cummings illustrates the way in which some poets bend graminastical rules as they strive to expression their insights.
[答案] 動詞不定式to后面只能接原形動詞，不能接名詞。
(4) The dromedary camel is raised especially to racing.
[答案] 這是一個非常簡單的動詞不定式錯誤形式的考題。Racing應改為race,與to組成不定式。
2. 動詞不定式作目的狀語
解題要點 不定式結構在句中可以作多種成分，目的狀語則是�？嫉降男问�。
例題分析
(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 根據句意及結構，此句固選擇動詞不定式作目的狀語。
(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 這是典型的不定式作目的狀語的句子。目的狀語放在句首是表示強調。
(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 此句與上面例題結構相同。不定式作目的狀語，且放在句首表示強調。
3. 動名詞的正確用法
解題要點 有關名詞的考題并不很多，但有一個常出現的題型；介詞后面的動詞一定要用動名詞形式，作介詞的賓語。
例題分析
(1) Microwave cooking can be accurately described as the first absolutely new method of prepare food since the discovery of fire.
[答案] 介詞of后面應接動名詞形式，即of preparing。
(2) Most crickets have two pairs of fully developed wings, and muscular hind legs for jump.
[答案] 動名原形jump位于介詞for后面，故應改為動句詞jumping。
(3) Because it is a healthful way to exercise derobic dancing is considered an excellent method for release tension.
[答案] 動名詞原形release位于介詞for后面，故應改為動名詞releasing。
(4) The Cubist movement in art was reaction against traditional methods of portray reality.
[答案] 動詞原形portray應改為動名詞portraying即作前面介詞of的賓語，自身又帶賓語reality。