1. What is a clause? (from word to phrase and clause)

# a phrase: "Two or more words in sequence that form a syntactic unit that is less than a complete sentence" (from: http://www.thefreedictionary...)
# a clause: "A group of words containing a subject and a predicate and forming part of a compound or complex sentence." (from: http://www.thefreedictionary...)
# relevant:
1. how to reduce a clause to a phrase: reducing adjective clauses to phrases
2. sentence structure: simple, complex, and compound sentences  

The Sentence and Clause
source: English Lessons with Adam [engVid]   2014-6-20
Quiz: http://www.engvid.com/english-grammar...

Dependent Clauses (Advanced English Grammar)
source: English Lessons with Adam     2015年10月16日
practice what you've learned: http://www.engvid.com/advanced-englis...

Phrases And Clauses 
source: Open School

Phrases and Clauses
source: Iken Edu

Dependent Clauses
source: mrthoth

Syntax 3 - Clauses and Sentences
source: GrammarMadeClear  2011-4-27
Syntax 4 - Polarity (Clausal and Subclausal Negation)   2011-5-5
Syntax 5 - Clause Types 

Subordinate Clauses: An Introduction
source: MrGrammarMan123  2012-03-22
Recognizing Subordinate Clauses   2012-03-26

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