uci Learn English: Advanced Academic Speaking and Listening Specialization

https://www.coursera.org/specializations/speaklistenenglish

L3: Academic Discussions in English

L1: Academic Listening and Note-Taking

https://www.coursera.org/learn/note-taking

L2: Presentations: Speaking so that People Listen

https://www.coursera.org/specializations/speaklistenenglish

L4: Advanced Speaking and Listening

https://www.coursera.org/learn/speaking-listening-capstone

UCI Grammar

https://www.coursera.org/specializations/learn-english-beginning-grammar
https://www.coursera.org/specializations/intermediate-grammar
https://www.coursera.org/specializations/advanced-grammar-punctuation

UCI - Learn English: Writing Effectively with Complex Sentences Specialization

https://www.coursera.org/specializations/learn-english-writing-grammar-complex-sentences#courses

L1: Enhance your Writing with Adverb Clauses 副词从句

L2: Enhance your Writing with Adjective Clauses 用形容词从句增强你的写作

L3: Enhance your Writing with Noun Clauses 名词从句

Speaking Skills for University Success

https://www.coursera.org/learn/speaking-skills-for-university-success

gatech - Improve Your English Communication Skills

https://www.coursera.org/specializations/improve-english#courses

Speak English Professionally: In Person, Online & On the Phone

https://www.coursera.org/learn/speak-english-professionally/

Take Your English Communication Skills to the Next Level

https://www.coursera.org/learn/english-communication-capstone?specialization=improve-english

uw - Business English Communication Skills

https://www.coursera.org/specializations/business-english

ASU - Business English Specialization

https://www.coursera.org/specializations/english-for-business

HKUST - Business English for Non-Native Speakers

https://www.coursera.org/specializations/business-english-speakers