Share GI1 - Past simple or present perfect
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Emma is the most intelligent person they (have ever talked/ ever talked)
have ever talked
He (hasn't understood/ didn't understand) the lesson yesterday because it (was/ has been) too difficult.
didn't understand - was
(Have the police investigated/ Did the police investigate) the robbery yet?
Have the police investigated
It's a month since Philip last (dropped in/ has dropped in) this bookshop.
dropped in
The teacher (reminded/ has reminded) Paul about his homework several times.
has reminded
When Helen was small, her mom often (didn't encourage/ hasn't encouraged) her to learn a foreign language.
didn't encourage
What (have they seen/ did they see) at the art gallery last Monday?
did they see
Mike (has just decided/ just decided) to spend this weekend on relaxing after a long business trip.
has just decided
(Has Lisa ever been/ Did Lisa ever been) to Phi Quoc island? - No, she hasn't/ didn't
Has Lisa ever been - hasn't
