The document discusses learning the differences between common English words like could and would, when, while and during to speak more fluent English. It also recommends learning past tense be verb patterns using "going to" and sentence structures with "it seems like" to develop more advanced speaking skills. Several links are provided to resources that explain confusing English grammar rules for these terms.

1. Learn the difference between could and would in English and how to use each of them to
speak fluent English
Learn the difference between when, while, and during and learn how to use When, While,
and During correctly when speaking English
Learn the difference between when, while, and during and learn how to use When, While, and
During correctly when speaking English
Learn English sentence patterns that use Past Tense Be Verb + Going To to speak
advanced and natural English.
https://convoenglish.co/category/english-sentence-patterns-for-speaking/
https://convoenglish.co/speaking-level-3-i-was-going-to/
https://convoenglish.co/speaking-level-3-it-seems-like/
https://convoenglish.co/understanding-confusing-english-grammar-when-vs-during-vs-while/
https://convoenglish.co/understanding-confusing-english-grammar-when-vs-during-vs-while/
https://convoenglish.co/understanding-confusing-english-grammar-could-vs-would/