English Grammar in Use
- 020 : I’m going to (do) 2021.10.12
- 019 : Present tenses (I am doing / I do) for the future 2021.10.12
- 018 : used to (do) 2021.10.12
- 017 : have and have got 2021.10.12
- 016 : Past perfect continuous (I had been doing) 2021.10.12
- 015 : Past perfect (I had done) 2021.10.12
- 014 : Present perfect and past 2 (I have done and I did) 2021.10.12
- 013 : Present perfect and past 1 (I have done and I did) 2021.10.12
- 012 : for and since when … ? and how long … ? 2021.10.12
- 011 : how long have you (been) … ? 2021.10.12
- 010 : Present perfect continuous and simple (I have been doing and I have done) 2021.10.12
- 009 : Present perfect continuous (I have been doing) 2021.10.12
- 008 : Present perfect 2 (I have done) 2021.10.12
- 007 : Present perfect 1 (I have done) 2021.10.11
- 006 : Past continuous (I was doing) 2021.10.11