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VOCABULARY (I)
IRREGULAR VERBS
PAST PERFECT
PAST PERFECT OR PAST SIMPLE
CORRECTING ERRORS
100

to think of a way to solve a problem is to come up ....

with a solution

100

PAST FORM OF "FIND"

FOUND

100
  1. By the time I arrived, they __________ (already/leave).

HAS ALREADY LEFT

100
  1. I __________ (not / recognize) her because she __________ (change) so much.

DIDN'T RECOGNISE / HAD CHANGED

100

It was quite difficult. I had had no idea what to do.  

I HAD NO IDEA...

200

to make something new that has never existed beforeto make something new that has never existed before

to create an invention

200

PAST FOR OF "TAKE"

TOOK

200
  1. He failed his test because he __________ (not/study).


HADN'T STUDIED

200

After the thieves __________ (spend) the money, the police __________ (catch) them

HAD SPENT / CAUGHT

200

When I met Jim he was already a soldier for three years.  

HE HAD ALREADY BEEN...

300

to find something important that was not known before

to make a discovery

300

PAST PARTICIPLE OF "SELL"

SOLD

300

She realized she __________ (forget) her umbrella at home

HAD FORGOTTEN

300
  1. The children __________ (be) hungry because they __________ (not / eat) for hours.

WERE / HADN'T EATEN

300

He had gone to the office because somebody had told him.

HE WENT...

400

to study a topic carefully to learn more about it

to research something

400

PAST FORM AND PAST PARTICIPLE OF "BUY"

BOUGHT /  BOUGHT

400
  1. She __________ (not/hear) the news when I spoke to her.

HADN'T HEARD

400
  1. My father __________ (lose) his glasses, so he couldn't read the newspaper.


HAD LOST

400

Did you liked the article in the magazine?

DID YOU LIKE

500

to study a topic carefully to learn more about it

to do an experiment 
500

PAST FORM AND PAST PARTICIPLE OF "FALL"

FELL, FALLEN

500

She told me she __________ (never/see) that movie before

HAD NEVER SEEN

500
  1. When I __________ (open) the fridge, I found that someone __________ (eat) all my chocolate.

OPENED / HAD EATEN

500

I borrowed your car. Had you known about it?

DID YOU KNOW...