I´m not sure, but I think this must / might be a toy.
I´m not sure, but I think this might be a toy.
Those clouds look very dark. It / rain soon.
Those clouds look very dark. It is going to rain soon.
Mariel went to the museum.
Where did Mariel go?
The actor smiled warm / warmly at the audience.
The actor smiled warmly at the audience.
I (not / hear ) the thunder during the storm last night.
I didn´t hear the thunder during the storm last night.
Everybody is absolutely sure that this must / might be a dinosaur´s tooth.
Everybody is absolutely sure that this must be a dinosaur´s tooth.
Robots / help more at home in the future.
Robots will help more at home in the future.
Peter loves art.
Who loves art?
Ladies wore beautiful / beautifully clothes for the show.
Ladies wore beautiful clothes for the show.
It (be) beautiful yesterday when we (go) for a walk in the park.
It was beautiful yesterday when we went for a walk in the park.
The man working on this site can´t / mustn´t be an expert because he has made so many mistakes.
The man working on this site can´t be an expert because he has made so many mistakes.
The bus hasn´t arrived yet. We / be late for school.
The bus hasn´t arrived yet. We are going to be late for school.
People shouted loudly.
How did people shout?
The audience stared nervously / nervous.
The audience stared nervously.
I (call) Roger at nine last night, but he (not, be) at home.
I called Roger at nine last night, but he wasn´t at home.
These round objects with an emperor´s face might / must be Roman coins.
These round objects with an emperor´s face must be Roman coins.
Tomorrow at ten, we / meet to discuss the competition.
Tomorrow at ten, we are meeting to discuss the competition.
Picasso painted the picture.
Who painted the picture?
The cake tastes delicious / deliciously.
The cake tastes delicious.
The children (stand) under a tree when it (begin) to rain at yesterday breaktime.
The children stood under a tree when it began to rain at yesterday breaktime.
It can´t / mustn´t be a statue. It has two handles and a hole to put things in.
It can´t be a statue. It has two handles and a hole to put things in.
Space tourism / become much cheaper in ten years.
Space tourism will become much cheaper in ten years.
The museum is in the center of the city.
Where is the museum?
The audience clapped polite / politely at the actors.
The audience clapped politely at the actors.
We (buy) and (eat) a pizza in the park last weekend.
We bought and ate a pizza in the park last weekend.