Grammar
English prepositions are sometimes used differently between British and American English
Example
American English: (on) the weekend
British English: (at) the Weekend
American English: Sunday (through) Wednesday
British English: Sunday (to) Wednesday
The difference between American and British English is plural and singular
Example
American English: Words of this type are treated as singular as My team (is) winning
British English: Words of this type are treated as plural like My team (are) winning
The instrument used to talk about the future differs between American and British English
American English: “will” is always used as I (will) go
British English: "will" or "shall" can be used, and the second is most often used as saying I (shall) go