Grammar or use of English is a sub skill in the language learning process and it is of high importance as a basis in the correctness of the production of the language . Reading , writing , listening and speaking are skill that has to be developed in themselves . the distinction that has to be made here is that between tests of skill and subskills or between discrete point and integrative tests . “In discrete point exam , each item tests something very specific such as a preposition or a vocabulary item . Integrative tests are those like dictation that combine various language subskills much the way we do when we communicate in real life. ”