Unit 2, Past vs. present perfect

Which of the following is past simple?

• I walked 3 kilometers yesterday.

• I haven't gone to class this week.

• I had forgotten that girls name yesterday.

• I am cool.

Which one is a present perfect.

• I haven't lived in Madrid for very long.

• I worked at a fancy glasses store once.

• I have a pretty weird cat.

• I hope my cat doesn't eat my birds.

Which sentence is incorrect? Hint: The grammar is ok in both.

• Yesterday I have been to the doctor.

• I went to my friend's house yesterday.

Why is this sentence incorrect?

I have been to the doctor yesterday.

• Because yesterday is already in the past.

• Because doctor is spelled incorrectly.

Which of these time expressions doesn't belong?

• yesterday

• this week

• this year

• this month

Why is yesterday different from this week, this month, etc.?

• Because we are no longer in it.

• Because it has one less word.

I ___________ at UEM since 2013.

• have worked

• worked

• will work

• work

Why was the correct version: I have worked at UEM since 2013?

• Because I still work there

• Because I don't still work there

Most of the time, since goes with:

• past simple

• present perfect

Which is correct?

• I have been living in Madrid since 2008.

• I lived in Opera since 2014.

• I live in the center since 2014