Grammar for ielts writing a handbook by David S. Wills Contents

Tense
Positive
Negative 
Question
Past simple:
I walked.
I didn’t walk.
Did I walk?
Past continuous:
I was walking.
I wasn’t walking.
Was I walking?
Past perfect:
I had walked.
I hadn’t walked.
Had I walked?
Past perfect 
continuous:
I had been walking. I hadn’t been
walking.
Had I been
walking?
Let’s look at each tense in turn. 
C H A P T E R
3

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19
Past Simple
This is a really common and basic part of the English language, and knowledge 
of it is essential to IELTS success. Generally speaking, we form the past simple by 
adding “-ed” to a verb. However, in English, there are hundreds of irregular verbs. 
So, whereas you might say “I walked” or “She watched,” there are also cases like 
“We ate” or “They wrote” for which you simply need to remember the correct past 
form. Here is an example using an irregular verb: