Deducing

I think the person who robbed me must have been following me​

Multiple Choice

The previous sentence is in

• Present perfect

• Past perfect

• Present perfect continuous

• Present continuous

Multiple Choice

Is the previous sentence telling something certain? Why?

• YES

• NO

It must have been a exciting discovery​

Multiple Choice

The previous sentence expresses

• High level of certainty of a past deduction

• Certainty that something is not true

• Speculation: low level of certainty because we are not sure

It may have been a hoax​

Multiple Choice

The previous sentence expresses

• High level of certainty of a past deduction

• Certainty that something is not true

• Speculation: low level of certainty because we are not sure

It couldn't have been inserted into a fake document

Multiple Choice

The previous sentence expresses

• High level of certainty of a past deduction

• Certainty that something didn't happen

• Speculation: low level of certainty because we are not sure