Deduction & Speculation exercises — Set 2: The Certainty Scale: Must, May, Might, Could & Can't Exercises (Worksheet)

The car engine is making a terrible noise. There something wrong with it.

Anna was at the gym yesterday looking perfectly healthy, so she be seriously ill.

I don't know where my keys are. They be in my coat pocket — I'll go and check.

Lisa has been working 12-hour shifts all week. She be completely exhausted.

We're not sure, but the new neighbours be from Spain — they sometimes speak Spanish to each other.

Laura has just adopted a cat, so she allergic to cats.

The weather forecast says there's a 40% chance of rain. We need an umbrella later.

Tim has six luxury cars and a private jet. He extremely rich.

Someone left their bag on the bus. It belong to that woman who just got off — but I'm not sure.

I've called John five times and his phone is switched off. He have his phone with him.

I'm not certain, but this word mean the same thing in both languages — the spelling is very similar.

Kevin hasn't eaten anything all day. He be very hungry by now.

I think I left the window open this morning. The house be cold when we get back.

She says she's never seen that film, but she described every scene in detail. That be true.

I haven't seen Rachel today. She be working from home — she does that sometimes.

Oliver always arrives at work at exactly 8:00 a.m., every single day. He live very close to the office.

There's a strange noise in the attic. It be the wind, or perhaps a bird got in.

He says he won the lottery, but he still takes the bus to work every day. His story be right.

There's a small chance that tomorrow's meeting be cancelled, but nothing has been confirmed.