Some styles of writing and speech have their own special grammar rules, often because of the need to save space or time.1 advertisements and...

1- future, present, and past; simple, progressive and perfect English verbs can refer to future, present or past time, and for each kind of time...

1 ‘higher than’: above or over Above and over can both mean ‘higher than’. Above is more common with this meaning.The water came up...

1 punctuation We usually write abbreviations without full stops in modem British English. Full stops (AmE ‘periods’) are normal in American...