The world's best-selling grammar series for learners of English. A reference and practice book for learners of English at advanced (C1-C2) level. Perfect for self-study, but also ideal for ...

Relative clauses are used to give additional information about a noun, such as a person, place or thing. Relative pronouns introduce a relative clause. They include who for people, that and which ...

Remind yourself of important facts about English grammar with our reference pages.

This includes popular choices such as Spanish, French, German, and Russian, among others (but English is not included ... One of Babbel’s features is its “advanced speech recognition technology”: this ...

In today’s world where English is becoming a vital part of the everyday lifestyle. It is essential for the non native speakers as well to understand this language and become proficient in English.

From disaster recovery to conservation and healthcare, plenty of AI projects will greatly benefit humanity, Microsoft experts ...

Bicknell, Duolingo’s head of AI, said there are three qualities of good private tutors that the company is trying to emulate ...

For schools in countries with national curriculum boards, AP seems like the US standard. Elite universities have been pulling ...

For their part-time proofreading positions, you must have advanced to intermediate knowledge ... For their writing and ...