English (about grammar)

grammar即係解做語法
即係你寫一篇文章或一句句子中
句子中詞語以及用法岩唔岩

例如:
I do not understand what mean by grammar.
呢句句子係正確既
I does not understand what mean by grammar.
因為I,you,They,We之後係應該用do而唔係does
所以呢個係grammar mistake
但如果1句句子grammar岩..就係完整句子