英语短句改错 ①彼此友好. ②需要帮助时要说“请”和“谢谢”. ③公共场合不要大声讲话.

e friendly to sb 对某人友好这句可以Don't + do/be原形,因为其形式体现在前面的助动词上,因此speaking该为speaklost 这个位置应该是动词原形,和前面的go时态一致；但用forget而不用lose,因为lose是丢失的意思,而作业只是忘记在家中； homework不可数名词,不加s,in house在中间the/your, by yourself 这个词组在句中多余了,去掉.If 从句的结构不完整,少了谓语,在people后加are,并且若用others = other people,因此要么others去掉s 要么保留others去掉people, he改为them,对应前面的others 是复数,并且在这里作laugh at的宾语,所以用宾格形式,do not...和help.. 是两个独立的句子,中间用句号,或者在help前加because 或者while；help it is polit,又是前面的双谓语,help改为helping, it改为them
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1.We should be friendly each other;2.Use the word 'please' or 'thanks' when you need help.3.keep voice down in public places.4.If you are late for school or left homework at home, you should say sorry5.If someone is in trouble,don't laugh at him. Helping him is a polite way.

1. We should be friendly to each other.

2. Say please and thanks when you need help.

3. Do not speak so loudly.

4. You should say sorry if you go to s...

1. We should be friendly to each other.

2. Say 'please' and 'thanks' when you need help.

3. Do not speak so loudly.

4. ...