Here is a list of web sites that offer some training / tutorials on Expression Web.
https://expression.microsoft.com/en-us/cc136522.aspx
https://www.learnexpression.com
https://expression-tutorials.com
https://by-expression.com
https://any-expression.com
https://www.expression-web-designer-help.com
https://www.homepagedoctor.com/ExpressionTutorials/Tutorials.htm