The relative pronoun is optional. 1) something ( which / that) you've always thought impossible 2) something which you've always thought was impossible 3) something ( which / that) you've always thought you couldn't do
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
teacherJapanIt seems I am getting confused after my students came to me and asked me some questions.You must put a stop to this at once!