1 that　作主語(yǔ),因?yàn)楹蠼觿?dòng)詞talk　,缺少主語(yǔ)
2 that 作賓語(yǔ),　引導(dǎo)詞作saw　的賓語(yǔ),這里已有主語(yǔ)YOU
如果不明白,請(qǐng)?jiān)賳?wèn)；如果對(duì)你有所幫助,
請(qǐng)點(diǎn)擊本頁(yè)面中的“選為滿意回答”按鈕,以上兩道題僅是舉例，能否告訴我今后做這種題都怎樣判斷？可否講得詳細(xì)些。謝謝看它在句中的成分呀，一般來(lái)說(shuō)引導(dǎo)詞后緊接動(dòng)詞就是作主語(yǔ)，如（1）；　如果從句已有主語(yǔ)和謂語(yǔ)，缺少賓語(yǔ)時(shí)就是作賓語(yǔ)，又如Do you know the teacher that is talking to Jim ?The teacher (that ) my mother is talking to is my English .