Unit 4.1

Time notions IV

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G
4.2.2. · past
[date]
last week
last month
last year
a day ago
a week ago
a month ago
a year(s) ago
long/some time ago
before
in (year)
past simple
4.3.2. · previously
Have/ has +just+ past participle
already
not yet
before
4.3.13. · change
exchange
exchange for
change
4.3.15. · singularity
once

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