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Auxiliary verbs
to be
to have
to do
Irregular verbs
Tenses
Present Simple
Present Continuous
Past simple
Past continuous
Present perfect
Past perfect
Present Pertfect Continuous
Past simple, past continuous & past perfect
Unit Grammar
Unit 8
>
Lesson 36
Lesson 37
Lesson 38
Lesson 39
Lesson 40
U8 Review
Unit 16
Unit 18
Past continuous
Used to describe actions taking place at a specific time in the past
or
to show the interaction of two events in the past.
What was he doing when you arrived? He
was cooking