转述动词

接 if 或 whether 的动词

ask know remember

say see

接 that 的动词

add admit agree announce answer argue boast claim comment complain confirm consider deny

doubt estimate explain fear feel insist mention observe persuade propose remark remember repeat

reply report reveal say state suggest suppose tell think understand warn

下列动词接 that 或带 to 的不定词

decide expect guarantee hope

promise swear threaten

以下动词接包含 should 的 that 子句，但 that 可以省略，留下主词 + 零不定词（不带 to 的不定词）

advise beg demand

insist prefer propose

recommend request suggest

下列动词接以疑问词为首的子句

decide describe discover discuss explain forget guess

imagine know learn realise remember reveal say

see suggest teach tell think understand wonder

下列动词接受格 + 带 to 的不定词

advise ask beg command

forbid instruct invite

teach tell warn