Have you ever wondered which of the words - "Check in," "Checkin," "Checked-in," or "Check-ed in" - are correct?
On the other hand, when do you correctly use the words "in to" or "into"?
These would be familiar words to Foursquare users. Sharing the article here in our IELTS blog is however relevant because the said article provides us with useful tips about vocabulary and grammar - 2 of the many things you need for your IELTS review or preparation.
Learn more by reading the article: Social Media Grammar: The "Checkin" Conundrum
N.B. HighPoint IELTS Preparation Services, Inc. is in Foursquare. Check in! :)