Grammar · Infrastructure Present Perfect vs Past Simple Have a read through the examples below, then have a go at the exercise linked at the bottom of the page. This one gives people away more than almost anything else, and it is not because the forms are difficult. Most languages simply

Grammar · Infrastructure In, On, At: Time and Place Have a read through the examples below, then have a go at the exercise linked at the bottom of the page. Three small words, in, on and at, cover almost all of time and place in English. The good news is that

Grammar · Infrastructure Dependent Prepositions Some verbs and adjectives naturally attract a particular preposition. You depend on someone, you are interested in something. There is often no clear rule behind it, which is what makes these pairings tricky. Your first language leans on its own prepositions, and those habits can quietly