Is is present tense eg
She is watching a movie. (happening now).
was is past tense eg
She was watching a movie yesterday.
also:
She is sick and can't go to school. She was sick yesterday too.
You use English grammar to form sentences and communicate using the English language.
All English speakers use the English version of the Latin Alphabet.
English Grammar In Use was created in 1985.
how different professions use English language differently?
No, you cannot use math in English unless you are referring to statics and graphs.
You use it when you speak it.
There are various online translators that you can use. You type in an English word and it will translate it to the French word. You can also use an English to French dictionary.
Unlike American judges, English judges do not use gavels in their courtrooms.
There is no English caledar
Plain English
Especial is Spanish, not English.
Each country that uses English uses its own version. Australians use Australian English, South Africans use South African, in India they use Indian English. There is no strict distinction between British English and American English. In fact the language of Edinburgh is different from the language of Cardiff, and the language of Boston different from the language of Las Vegas.