To play this video you need to enable JavaScript. Do you have a question you want us to answer? You can send us your questions to learning.english@bbc.co.uk 1. The present perfect simple emphasises ...
The present perfect with 'for' and 'since' Comparatives and superlatives Present perfect with 'just', 'already' and 'yet' Defining relative clauses Might, may, could How to use 'used to' Subject ...