English proficiency is greater than just fluent speaking. The rules that apply for singulars, plurals, and tenses may stand out in Everyday terms. Make a note of them and look at learn few difficult words daily. http://www.videovivo.it/web/viencanh/home/-/blogs/10-ia-chi-hoc-tieng-anh-giao-tiep-a-nang-chat-luong-cao