Present simple
Past progressive
Passive voice
2nd conditional
Mixed grammar
100

She walk to the park every morning before breakfast.

She walks to the park every morning before breakfast.

100

I were eating lunch when you called me.

I was eating lunch when you called me.

100

The window were broke by the baseball.

The window was broken by the baseball.

100

If I win the lottery tomorrow, I would buy a boat.

If I won the lottery tomorrow, I would buy a boat.

100

I didn't saw the movie you recommended.

I didn't see the movie you recommended.

250

My brother don’t like spicy food at all.

My brother doesn’t like spicy food at all.

250

The dogs was barking at the neighbor all night.

The dogs were barking at the neighbor all night.

250

Dinner is serve at 6:00 PM every night.

Dinner is served at 6:00 PM every night.

250

I will be happy if I had a day off work.

I would be happy if I had a day off work.

250

She is the most tall person in the entire family.

She is the tallest person in the entire family.

500

Do your father works at the hospital in the city?

Does your father work at the hospital in the city?

500

What was you do at 10:00 PM last night?

What were you doing at 10:00 PM last night?

500

These letters was wrote by a famous poet in 1850.

These letters were written by a famous poet in 1850.

500

If she see a ghost, she would probably scream.

If she saw a ghost, she would probably scream.

500

I have went to that restaurant many times.

I have gone to that restaurant many times.

750

They is always late for the weekly meeting.

They are always late for the weekly meeting.

750

While I cook dinner, the power went out.

While I was cooking dinner, the power went out.

750

The Harry Potter books was translated into 80 languages.

The Harry Potter books were translated into 80 languages.

750

If I am you, I tell the truth to the boss.

If I were you, I would tell the truth to the boss.

750

There is too many people in this elevator.

There are too many people in this elevator.

1500

The moon revolve around the Earth roughly every 27 days.

The moon revolves around the Earth roughly every 27 days.

1500

We wasn't expect company, so the house was a mess.

We weren't expecting company, so the house was a mess.

1500

My car being fix by the mechanic right now.

My car is being fixed by the mechanic right now.

1500

We would stayed at the beach longer if it weren't so cold.

We would stay at the beach longer if it weren't so cold.

1500

He suggested to go to the park after the meeting.

He suggested going to the park after the meeting.