Obligation, permission, and prohibition
Necessity
Technology verbs
Technology nouns
Ability in the past
100

We can't use our phones in class. (allow)

We are not allowed to...
100
I didn't study for my exam and I got a 9!
I didn't need to study
100
I always ______________ my files on my laptop so I don't lose them!
save
100
What do we call '@' in English?


'at' symbol
100

He (couldn't/hasn't been able to) write his essay because his laptop is broken.

hasn't been able to
200

My parents expect me to do my homework right now, but I'm watching a show on Netflix instead. (supposed)

I'm supposed to...
200
I called the restaurant to make a reservation but my boyfriend had already called yesterday.
I needn't have called the restaurant
200
I want to watch the Olympics but I don't have a TV, so I'm going to _______________ it on my computer.
stream
200
My _____________ is broken and my phone only has 10% battery left! Can I use yours?
charger
200

She (managed to/could) pass Biology even though she didn't do well on the exams.

managed to
300

My friend's mom allowed her to come to my party. (let)

My friend's mom let her...
300
I brought my raincoat on my trip to Dublin but it was sunny the whole time!
I needn't have brought it
300

Did you remember to ________________ the pictures from our trip on Instagram?

post
300
Plugs in the United States are different from those in Europe, so I have to use an _________________ to charge my devices.
adaptor
300
Although the fire destroyed their house, the whole family (managed to/succeeded in) escape.
managed to
400

I can't forget to call you tomorrow! (must)

I mustn't...
400
I was going to water my flowers, but it rained all day.
I didn't need to water them
400

If you want to ________________ the Internet on your laptop and you don't have a cable, you need to _______________________. 

browse / connect to wifi
400
I wouldn't want a laptop without ________________ because I couldn't plug in a pen drive or my phone.
USB ports
400
Even though she's not a great cook, she (succeeded/managed) in making dinner for everyone.
succeeded
500

You should order extra pizza for the party because my sister just invited 10 more people! (better)

had better
500
What is the difference between "didn't need to" and "needn't have done"?
Didn't need to = someone didn't do something because it wasn't necessary


Needn't have = Someone did something but it wasn't necessary

500
Last week I ______________ my large files to save space, but now I need to access them, so I have to ________________ them from the folder.
zipped / extracted
500
I need to be able to use wifi at home, so I'm going to buy a _____________________.
wireless router
500

When I was a child I (couldn't/wasn't able to) speak English, but now I speak fluently!

couldn't
M
e
n
u