Aubrey Carter teaches how to use band 9 adjectives in IELTS writing task two. The video covers the importance of using high-level transition phrases and adjectives like 'poignant' for negative situations, 'shining' for positive situations, and 'striking' for neutral situations. These adjectives enhance vocabulary and cohesion scores in IELTS essays.

Why is it important to use high-level transition phrases in IELTS writing?

What is the meaning of the adjective 'poignant' as discussed in the video?

How can the adjective 'shining' be used in a positive context according to the video?

What does the adjective 'striking' imply in terms of situations?

What is the relationship between vocabulary score and the use of adjectives in IELTS writing?