Present and Past Speculation

I'm sure this is Hira's scarf. It looks the same.

• It must be Hira's scarf.

• It might be Hira's scarf.

• It may be Hira's scarf.

• It can't be Hira's scarf.

It is possible that Çağla left the door unlocked.

• She must have left the door unlocked.

• She might leave the door unlocked.

• She might have left the door unlocked.

• She must leave the door unlocked.

Gökşin is sure that Şahin forgot to pay for his lunch.

• She thinks Roland might have forgotten to pay.

• She thinks Roland could have forgotten to pay.

• She thinks Roland must forget to pay.

• She thinks Roland must have forgotten to pay.

We ........................ lost, but I'm not sure. Do you have a map?

• can't be

• might be

• must have been

• must be

Look! 345 flight to New-Şehir! That ............... our plane! Hurry!

• can't be

• might be

• must be

• might have been

They ___ be somewhere here, but I can't find it right now.

• can't

• must

Kaan____ (NOT LEAVE) yet - his coat is still here.

What? You forgot your ticket and passport? You ___ be serious!

• might

• can't

There are some dark clouds in the sky.

• It may rain later.

• It might have rained later.

• It must rain later.

• It must have rained later.

Toygu's good with computers – he....................your problem. Just ask him.

• must solve

• could solve

• must have sold

• could have sold