have
do
go / come
take / bring
http://speakspeak.com/confusing-words/confusing-words-say-tell
http://speakspeak.com/confusing-words/speak-talk-difference
http://www.5minuteenglish.com/jan31.htm
https://www.englishclub.com/vocabulary/cw-see-look-watch.htm
http://www.5minuteenglish.com/feb4.htm
https://www.englishclub.com/vocabulary/cw-hear-listen.htm
https://en.wikipedia.org/wiki/Most_common_words_in_English#cite_note-langfacts-1
http://www.oxforddictionaries.com/words/the-oec-facts-about-the-language
https://www.englishclub.com/vocabulary/common-words.htm
http://www.talkenglish.com/vocabulary/english-vocabulary.aspx