At vs In
To vs For
Of
By vs Until
On vs By
100
"She's the new girl (At/In) work.)


Read the sentence and choose the correct preposition.

"She's the new girl AT work."


100

Her husband got it __ (To/For) her birthday.

Read the full sentence with the correct preposition.

Her husband got it FOR her birthday.

100

"Get down OFF OF that tree!"

Which preposition can replace OFF OF here?

FROM

"Get down FROM that tree!"

100

(Until/By) the end of the year, there (Will Be/Are) no more Olympiads.

Read the sentence, choosing either Until or By, and either Will Be or Are.

Until the end of the year, there are no more Olympiads.

Until the end of the year, there will be no more Olympiads. 

Both sentences are correct.


100

While taking the bus from UB to Choibalsan, you arrive at a bus stop. You get off to buy snacks. Afterwards, you wait outside the bus for the rest of the riders.

Are you waiting ON or BY the bus?

You are waiting BY the bus.
200

She's __ (In/At) a conference __(In/At) Paris.

Read the sentence aloud and choose which prepositions to use. 

She's AT a conference IN Paris.

Read the sentence aloud and choose which prepositions to use.

200

Create a sentence with the following format:

We have been waiting (To/For) ____________.

Both to and for can be used.

We have been waiting to watch this movie for 3 hours.

We have been waiting for you for 3 hours.

200

Choose which OF should be a different preposition in the following sentence:

One OF the three OF us is not OF the same mind OF the rest OF us.

One OF the three OF us is not OF the same mind AS the rest OF us.

200

The report must be submitted (Until/By) Friday.
The report can be submitted (Until/By) Friday.

Read both these sentences and choose the correct preposition for each.

The report must be submitted by Friday.
The report can be submitted until Friday.

200

Create a sentence using the either of the following phrases.

"On hand"

"By hand" 

Examples:

We don't have any pens on hand right now.

We wrote our proposal by hand.

300

Describe something that happens at 12:00 AM using either AT or IN and 'Middle of the Night' or 'Midnight.'

Examples:

At midnight, my neighbors were being very loud.

My neighbors were being very loud in the middle of the night.

300

Create a sentence with this format using a Present Continuous verb.

It's time __ (To/For) ____...

Because the verb is Present Continuous, For is used.

It's time for learning!

300

Wes is (OF/FROM) Indonesian descent.

Choose the correct preposition.

Wes is OF Indonesian descent.

300

Create a sentence using the following format

"By the time I realized, _______."

Examples:

By the time I realized, it was too late.

300

Create a sentence using this format to describe flying to South Korea.

I ________________ (On/By) a plane to South Korea.

Because of "A", you must use On to complete the sentence. 

For Example: 

I'm flying ON A plane to South Korea.


400

Create a sentence using the following format and either preposition.

"____ In/At my best _____."

Examples:

I came to school in my best clothes.

I wasn't at my best yesterday.

400

Create a sentence with this format using a Present Simple verb.

It's time __ (To/For) ____...

Because the verb is present simple, 'To' is used.

It's time to eat!

400

He's the best OF the class

He's the best FOR the class.

Which of the following sentences describes something that will improve the class.

The second sentence describes someone who will improve the class, while the first describes someone that is the best student in the class.

400

Create a sentence using the following format

"Until I realized ____, _______."

Example:

Until I realized _____, I thought things were fine.

400
Create a sentence using the following format:


"_____ __(On/By) my own ______"

You can use either preposition as long as it is grammatically correct.

Examples:

I did this ON my own initiative.

I did this BY my own hand.

500

Using a complete sentence, and either AT or IN to describe time, tell us something that will happen four hours from now.

At 8:30, I will eat dinner.

In four hours, I will eat dinner.

500

Using To and For, describe the best gift you have ever given on someone's birthday.

Example:

For her birthday, I gave a beautiful painting to my best friend.

500

Create a sentence where you use the preposition Of three times, correctly!

Example:

It isn't of great importance to me which of the students of your class come.

500

We drove until the lake, then took a right turn.

We drove by the lake, then took a right turn.

Describe the difference between these two sentences. Where did the drivers in the different sentences take their right turns.

We drove until the lake, then took a right turn.

In this sentence, the driver took a right turn before the lake.

We drove by the lake, then took a right turn.

In this sentence, the driver took a right turn after the lake.

500

Yesterday, your manager called you and told you important information.

Using ON or BY, create a sentence that describes you manager telling you this information. 

Yesterday, when I was on the phone with my manager, they told me something important.

Yesterday, my manager told me something important by phone.

M
e
n
u