Understanding how IELTS examiners use the assessment criteria helps you target your preparation:
You might write: "In 1980, the number is 50." (Mixing past and present). PDF Solution: The "Tense Sequencing" chapter provides timelines and visual charts showing that past data requires past simple ("The number was 50"). ielts grammar for bands 6.5 and above pdf
To achieve a high score, you should incorporate several of these "highlight" structures into your writing and speaking: Ace IELTS Writing Task 2: Tips for Success ielts grammar for bands 6.5 and above pdf