Modal Auxiliaries
Present
Past
100

My brother can play the piano

What can your brother play?

100

The teacher Godoy is the most strict teacher in ENRE

Who is the most strict teacher in ENRE?

100

Mary was 23 years old last year?

How old was Mary last year?

200

I would like to travel to Cancun

Where would you like to travel?

200

She likes to eat salad

What does she like to eat?

200

He came yesterday

When did he come?

300

Your brother should study Industrial maintenance 

What should my brother study?

300

My mother is preparing spaghetti for dinner

What is your mother preparing for dinner?

300

They were painting the house last week

When were they painting the house?

400

The students must study daily

When must the student study?

400

She enjoys going to the zoo

Where does she enjoy going?

400

She forgot to lock the door in the morning 

What did she forget to lock?

500

I couldn't come to class because I was sick

Why couldn't you come to class?

500

My mother wants me to clean my room?

What does my mother want me to clean?

500

The classrooms were cleaned yesterday

When were the classrooms cleaned?