（一）由that引導(dǎo)
　　·I have no doubtthat he will overcome all this difficulties.
　　他會(huì)克服一切困難，對(duì)此我并不感到懷疑。
　　【特別提示】：同位語從句引導(dǎo)詞that不可省略。
（二）由whether引導(dǎo)
　　·The question whether we need more time to do the work has not been decided.
　　我們是否需要更多時(shí)間來做這項(xiàng)工作，這個(gè)問題還未決定。
（三）由其他詞引導(dǎo)的同位語從句
　　·I have not made up my mind what elective subjects I am to take next term.
　　我還沒有決定好下學(xué)期上哪些選修課。
　　·When you are about halfway through the story, try to make a guess how the plot will develop.
　　當(dāng)你把故事讀到一半時(shí)，猜測一下情節(jié)將如何發(fā)展。
　　·I have no idea when I will be back from Shanghai.
　　我不知道我什么時(shí)候從上?；貋怼?/div>
（四）同位語從句與被修飾名詞的分割
　　有時(shí)，為了保持句式的平衡，將同謂語從句與被修飾的名詞分割，其間出現(xiàn)其他成分。
　　·Concernswere raised that witnesses might be encouraged to exaggerate their stories in court to ensure guilty verdicts.
　　人們?nèi)找鎿?dān)心，證人可能會(huì)因此而受到鼓勵(lì)，在法庭上夸大事實(shí)以保證陪審團(tuán)對(duì)被告做出有罪的判決。（這里先行詞concerns與that同位語從句被謂語were raised隔開。）