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

Thinking about the past and present together We use the present perfect if we are thinking about the past and present together. We do not use the...

Introduction One way of describing a person or thing is by saying that they have more of a particular quality than someone or something else. To...

meanings and use It is difficult to learn to use prepositions correctly in a foreign language. Most English prepositions have several different...