【正文】
uage. (代不定式短語(yǔ)作形式主語(yǔ) ) (代動(dòng)名詞短語(yǔ)作形式主語(yǔ) ) (代名詞性從句作形式主語(yǔ) ) (代名詞性從句作形式主語(yǔ) ) (代名詞性從句作形式主語(yǔ) ) (代不定式短語(yǔ)作形式賓語(yǔ) ) (代名詞性從句作形式賓語(yǔ) ) Rewrite the following sentences using it. run business successfully in this area is very difficult. English without practice will be useless. he can go to a key university or not is unknown. he will get on well with them is certain. may find to clean up the oil on the clothes difficult. It is very difficult to run business successfully in this area. It will be useless learning English without practice. It is unknown whether he can go to a key university or not. It is certain that he will get on well with them. You may find it difficult to clean up the oil on the clothes. Translate the following sentences and tell the functions of it. They met Tom in the street yesterday. (主語(yǔ) ) (賓語(yǔ) ) (地點(diǎn)狀語(yǔ) ) (時(shí)間狀語(yǔ)