求classroom grammar s3 answer

Re S3 q and a:-Grammar is the accepted rules where by the words of Eng are formed and combined into (several) sentences.
The students have already grasped some of the finer points of grammar.
The students HAD already grasped any rough points of grammar.
S3 had not done his homework of Lesson(3-5)despite the scolding from his teachers!
S3 student could not do Lessons(3-5) exercises because he never listened in class,even though three Lessons only!

Grammar also refers to the way a student of S3's speech from mom. or writing obeys or breaks these rules.The S3 student 's checking on computor is good,but his listening power over head-phone is poor that needs a hard work!
S3 student's listening was good but his computor grammar checking were poor due to poor listening -understanding combined work!

A grammar (L3-5) is a book explaining the grammar Eng on three particular subjects.
He had lost his knowledge on infinitive,participle,but not gerund!
He had lost his memory on participle,gerund,but not infinitive!
He had lost his memory on S3 subjects on infinitive,participle,& gerund because he had had lost his book!

S3 school were secondary that taught academic,not polytechnic's technical,subjects to pupils regarded as clever(not lazy),in preparation for HKU.
S3 can't enter for university if he didn't know exercises(L3-5)!
So work accordingly.hi7 be7 of7

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