When reading a sentence, you can focus on training to distinguish the decorative elements in the sentence, such as sentence elements or clauses, and learn to break complex sentences into simple ones to understand; When writing a sentence, you should learn to decorate the trunk from the perspective of time, modality and word order when facing your own simple sentences.

Grammar books that must be recommended:

1) Practical and convenient English reading reference manual

2) The new thinking of English grammar is suitable for pondering grammatical phenomena repeatedly.