宾语从句 (Object Clauses):
English Grammar Formula: subject + Verb + Object Clause
Example: I know that she likes ice cream. 我知道她喜欢冰淇淋。
并列连词 (Coordinating Conjunctions):
English Grammar Formula: sentence 1 + Coordinating Conjunction + Sentence 2
Example: I like math, and my sister likes science. 我喜欢数学，而我妹妹喜欢科学。
被动语态 (Passive Voice):
English Grammar Formula: Object + be verb (in the appropriate tense) + past participle
Example: The cake was baked by my mom. 蛋糕是我妈妈烤的。
条件句 (Conditional Sentences):
English Grammar Formula: If + simple present tense, will + base form of verb
Example: If it rains tomorrow, we will stay at home. 如果明天下雨，我们会呆在家里。
直接引语和间接引语 (Direct and Indirect Speech):
English Grammar Formula: direct speech -> Subject + Verb + Object ; Indirect Speech -> Subject + Verb + Object + that
Example: Direct Speech -> She said, “I love swimming.” 她说：“我喜欢游泳。”
Indirect Speech -> She said that she loved swimming. 她说她喜欢游泳。
状语从句 (Adverbial Clauses):
English Grammar Formula: Main clause + adverbial clause introduced by a subordinating conjunction
Example: He arrived late because he missed the bus. 他因为错过了公交车所以到得晚。
定语从句 (Relative Clauses):
English Grammar Formula: Subject + Verb + relative Clause
Example: The book that I borrowed from the library is very interesting. 我从图书馆借的那本书很有趣。
副词比较级和最高级 (Adverbs Comparative and Superlative):
English Grammar Formula: Adverb + comparative/superlative form of adjective + than/in
Example: She runs faster than her sister. 她跑得比她姐姐快。
This is the tallest building in the city. 这是城里最高的建筑物。
反义疑问句 (Tag Questions):
English Grammar Formula: positive Statement, negative Tag; Negative Statement, Positive Tag
Example: You can swim, can’t you? 你会游泳，对吗?
She doesn’t like coffee, does she? 她不喜欢咖啡，对吗?
形容词顺序 (Order of Adjectives):
English Grammar Formula: Opinion + Size + Age + Shape + Color + origin + material + Noun
Example: I bought a beautiful big old round red Chinese ceramic bowl. 我买了一个漂亮的大的年代久远的圆形红色的中国陶瓷碗。
