Post Closed as "off-topic" by snailboat, Brian Tompsett - 汤莱恩, Glorfindel, Usernew, tchrist
2 more explanatory title, formatting.
source | link

Confusing sentenceexercise question about modal verbs

I found this question in an exercise on modal verbs.

-Find the mistake:

-Yesterday; I think he travelled last week.

Find the mistake:

Yesterday; I think he travelled last week.

Where is the mistake and what does (yesterday & last week) refer to  ?

Confusing sentence

I found this question in an exercise on modal verbs.

-Find the mistake:

-Yesterday; I think he travelled last week.

Where is the mistake and what does (yesterday & last week) refer to  ?

Confusing exercise question about modal verbs

I found this question in an exercise on modal verbs.

Find the mistake:

Yesterday; I think he travelled last week.

Where is the mistake and what does (yesterday & last week) refer to?

1
source | link

Confusing sentence

I found this question in an exercise on modal verbs.

-Find the mistake:

-Yesterday; I think he travelled last week.

Where is the mistake and what does (yesterday & last week) refer to ?