Nivel de inglés intermedio (INTERMEDIATE)-PET (Preliminary English Test)-CEFR (B1)
GRAMMAR
- I think / I don´t think + will
- Will / Going to
- What are verbs?
- Active and Passive Sentences
- Active / Passive Exercise
- Present Perfect Active / Passive
- More passives
- History of Time
- Tag Questions
- Indirect Questions
- Past Perfect Tense
- Can, Could, Be able to
- «Shall» in British English
- Past Simple or Past Perfect?