RULES OF CONCORD concord can be define as the agreement of subjects and verbs .it is also the rules guiding the usage of English language.it can also be define as the morphological,syntaxically ,phonologically and semantically use of English Language. Definitions of key words Morphology can be define as the study of formation of words in English Language,such as ;Prefix and suffix ,what is prefix and suffix ? Prefix can be define as the addition of words,syllables or morpeme to the beginning of the root words to modify the meaning of words while suffix can be define as the addition of words,syllables or morphemes to the end of the root words to modify the meaning of words. Syntax.can be define as the structuring of sentences according to different categories,such as;tenses ,parts of speech etc a very good example is structure ,what's structure ?Structure can be define as ...