The key answer of exercise 33
The key to exercise solutions in chapter Workbook 4 - Town and around for the textbook Performer B1, Vol. 2 with authors Marina Spiazzi, Marina Tavella e Margaret Layton from Zanichelli
Question
Look at the grammar map and fill in the blanks in the boxes below.
Answer
MODAL VERBS OF DEDUCTION (present)
USE
To make logical deductions, to speculate about whether or not something is true in the present
100%
CERTAINTY → we feel sure that something is true because of very strong evidence
- subject + must + base form - Example: …She's studying all day; she must have an exam tomorrow.
50%
UNCERTAINTY AND POSSIBILITY → something is possible but we are not sure
- subject + may / might / could + base form - Example: He's not answering; he may be in a meeting.
- subject + may / might + not + base form - Example: She's not at home; she might not have received the message.
We do NOT use could not or couldn't.
0%
IMPOSSIBILITY → we are sure that something is not true
- subject + can't + base form - Example: It's summer, so it can't be snowing outside.
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