GRAMMAR LINKS (GENERAL)

http://www.nald.ca/library/learning/academic/english/grammar/speech/module5.pdf

http://portal.unedmotril.org/files/english%20grammar.pdf

http://www.services.unimelb.edu.au/asu/download/Grammar-Subject%20verb%20agreement.pdf

http://www.uvu.edu/owl/infor/pdf/grammar_usage/Subject-verb%20agreement.pdf

http://rwc.hunter.cuny.edu/reading-writing/on-line/subject-verb-agreement.pdf

http://www.lib.uoguelph.ca/assistance/writing_services/components/documents/grammar.pdf

http://portal.unedmotril.org/files/english%20grammar.pdf (*) Don't pay attention to the phonetic transcription.