( 1 ) Miss Wang isa secretary. (名词) ( 2 ) Necessity isthe mother of invention. (名词词组) ( 3 ) Failure isthe mother of success. ( 4 ) It isimportant for you to learn English. (形容词) ( 5 ) It was braveof you to fight with Japanese soldier. ( 6 ) It was wrongof you to make noise in the class. ( 7 ) It isnecessary that we should have a good night’s sleep before the test. 分析句子