This post looks at some vocabulary for IELTS writing task 1 when you need to describe a graph or chart that has a time element. I begin by looking at some of the most common vocabulary you need. Then I give you some variations and talk about some grammar.
Test yourself first
Before you read on, you may want to test your knowledge first.
The most basic vocabulary – a few variations
Let’s look at this graph and see what words we need to describe it. Put simply we need language that describes
- up (2009 to 2010),
- down (2008 to 2009),
- up and down (between 2006 and 2009)
- no change (2006 and 2007)
- the top (2010)

The language I am going to suggest may seem very basic. It does, however, allow you to say the same thing in up to 6 different ways.That’s good.
Tip: if you find yourself repeating a word, try changing the form of it from a verb to a noun
You should also note that, even with this basic language, there are a variety of grammar problems that cause many candidates problems. That’s bad.
Up variations

Down variations
Up and down
Sometimes you need to describe a graph that goes up and then down. Here we have fewer options.

No change

Top

Preposition problem 1 – by and to
Prepositions are horrid in English. Have another look at the graph:
Note how these two sentences mean exactly the same:
The rate of unemployment rose to 12% in 2010.
The rate of unemployment rose by 5% in 2010.
Preposition problem 2 – in and of
This one is harder. We use “in” to describe changes in things and “of” to describe changes in number or amount. For example,
There was a rise in the rate of unemployment
There was a rise of 5% in the rate of unemployment.




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Hi
1) which is more accurate
“reached its peak”
or
“reached a peak”
2) Is it okay to mix past tense with continuous tense?
i.e-sales were consistently above 200 million, rising sharply to a peak of 350 million.
1, I would prefer “reached a peak”.
2, Your example is fine. (what you have there is in fact a participle and not a continuous tense)
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Sir..please help me with this
-Is it ok to write:”From 1990 to 2008,there was a fluctuation between 6% and 8% .”?
-And by the way,is “8%” counted as a word?..I know this sounds silly but some word count tools DO count numbers as words..
Thanks
I would prefer you used the verb: typically in English we choose to use verb forms whenever we can. We simply don’t like abstract nouns. So
“The @@@@ fluctuated between 6% and 8%”
I understand that most examiners would count 8% as one word.
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how would you use the word @to plummet
The idea of plummet is to fall very quickly and a long way. To give you an idea, we have a spoken idiom in English (not something you can use in task 1 writing) “to drop like a stone” – I guess you can see the meaning from that.
An example:
“While there was little or no change among the majority of activities, the number of people that expressed a preference for eating out plummeted to a low of 5% in 1995.”
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sir please you guide me
that which tense is used in writing task 1
present simple
or
past simple
That will very much depend on the wording of the question. Read the question carefully for the time period of the graph and also look at the axes of the graph. If it relates to the past – use past tenses. You should also note that you may need to use the future.
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sir,
i have lots of problem in my grammer actually i get confused while using tense. can u provide me a single tense used exercise so that i can used it same way.
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Can we say ” CO2 emissions rose from 10 tonnes to 15 tonnes in June.
Rise from— to is OK?
Not if it was in the past.