Word Formation — Prefixes

Un-, dis-, mis-, over-, under-, re- — FCE Part 3.

Words 1–4

Say each word after your teacher

disagree
not agree /ˌdɪsəˈɡriː/
I disagree — I think the film was boring. (AGREE)
misunderstand
understand wrongly /ˌmɪsʌndəˈstænd/
Sorry, I misunderstood — I thought you said Tuesday. (UNDERSTAND)
rebuild
build again /ˌriːˈbɪld/
They had to rebuild the bridge after the flood. (BUILD)
oversleep
sleep longer than you planned /ˌəʊvəˈsliːp/
I overslept and missed the bus. (SLEEP)

Words 5–8

Say each word after your teacher

underestimate
think something is smaller or easier than it is /ˌʌndərˈestɪmeɪt/
Don't underestimate the other team — they're very good. (ESTIMATE)
impatient
not patient /ɪmˈpeɪʃnt/
He gets impatient when he has to wait in a queue. (PATIENT)
illegal
against the law /ɪˈliːɡl/
It's illegal to drive without a licence. (LEGAL)
irresponsible
not responsible; not careful /ˌɪrɪˈspɒnsəbl/
Leaving the baby alone was very irresponsible. (RESPONSIBLE)

Words 9–10

Say each word after your teacher

dishonest
not honest /dɪsˈɒnɪst/
It was dishonest of him to copy my answers. (HONEST)
unlock
open with a key or code /ʌnˈlɒk/
I can't unlock my phone — I forgot the code. (LOCK)

Your turn

Answer out loud — full sentences

1
Have you ever overslept? What happened?
2
What do you and your best friend disagree about?
3
When do you get impatient?
4
Tell me about a time someone misunderstood you.
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