注意：在英語中，有些動詞后需接不定式做賓語。這些動詞主要有：decide, hope, expect, plan, offer, refuse, agree, wish, continue, afford, beg, bother, choose, fail, help, happen, pretend等；有些動詞后接不定式和-ing形式都可以，但意思不同，這幾組主要動詞需背下來：
stop to do sth. 停下來(目的是)做某事 try to do sth. 試圖/盡力做某事
stop doing sth. 停止做某事 try doing sth. 嘗試做某事
remember to do sth. 記得要做某事 forget to do sth. 忘記要做某事
remember doing sth. 記得做過某事 forget doing sth. 忘記做過某事
動詞不定式做狀語,表目的。例如：
To arrive at the airport on time, he took a taxi.
為了按時趕到機場，他搭了臺的士。
_______ late in the morning, bob turned off the alarm. (安徽中考)
A. To sleep B. Sleeping C. Sleep D. Having slept
4. 疑問代(副)詞＋不定式。例如：
There are so many interesting books here that I don’t know what to choose.
這里有如此多有趣的書，以致我不知選什么為好。
stop to do sth. 停下來(目的是)做某事 try to do sth. 試圖/盡力做某事
stop doing sth. 停止做某事 try doing sth. 嘗試做某事
remember to do sth. 記得要做某事 forget to do sth. 忘記要做某事
remember doing sth. 記得做過某事 forget doing sth. 忘記做過某事
動詞不定式做狀語,表目的。例如：
To arrive at the airport on time, he took a taxi.
為了按時趕到機場，他搭了臺的士。
_______ late in the morning, bob turned off the alarm. (安徽中考)
A. To sleep B. Sleeping C. Sleep D. Having slept
4. 疑問代(副)詞＋不定式。例如：
There are so many interesting books here that I don’t know what to choose.
這里有如此多有趣的書，以致我不知選什么為好。