HASK
"Phrases in English" Search for Concordances
Diigo
An example of how Diigo can be used to highlight lexical chunks in articles and websites. See related post on my blog.
JustTheWord
Just The Word collocations - helps you in writing English...
Netspeak
Netspeak helps you improve your writing. It is a new kind of
dictionary which contains billions of phrases and how
commonly they are used. See this post on my blog about how to use Netspeak in class: http://leoxicon.blogspot.com/2012/05/lexical-priming.html
Playing with lexical cards
Some practical suggestions on how to use Just-the-Word in (and out of) class