Apple ⬆️ lg (slight)⬇️ zte➡️↗️(slightly) The bar chart illustrates

Large Changes:


Small or Moderate Changes:


Verbs & Nouns
You will also need some specific verbs and nouns.

• 
  Verbs are words that describe an action or state.
  

• 
  Nouns are words that refer to a thing, a place, a person or a quality.
  

Many words have a verb form and a noun form as can be seen in the tables below.

For your essay, you should learn 2 or 3 words for upward movement, 2 or 3 for downward movement because you will probably have to write about changes in data.
Upward movement

Downward movement

The following words can be used to describe both upward and downward movements.

Finally, you will need a couple of phrases to describe situations that show little or no change.

Remember to use the appropriate verb tenses in your essay.


Collocations

Many of the words in these lists can be formed into collations that are ideal for expressing change.

There are two ways that you can create them:

• 
  Verb + Adverb
  

• 
  Adjective + Noun
  

Here are some examples:

Again, don’t try to learn them all. Just pick a couple that you feel comfortable using.
The following sentences illustrate how you might use some of this vocabulary in an IELTS Task 1 essay.
1) The price of houses went into sharp decline between 1980 and 1985 but increased significantly from 1986 to 1990.
2) Over the whole time period, there was a steady growth in the number of women choosing to study part-time but for men, the level fluctuated.

Other Useful Phrases

Here are a few more phrases that you may find useful.