The first step is that three tablespoons of oil ___________ (put) in a large pot.
is put
You shouldn't give them your money.
Your money shouldn't be given to them.
You can take money out of a cash machine.
Money can be taken out of a cash machine.
The constructors must install an alarm for security.
An alarm for security must be installed.
People must wear seatbelts during take-off and landing.
Seatbelts must be worn during take-off and landing.
Finally, the popcorn ___________ (empty) into a large bowl, where melted butter and salt ___________ (add).
is emptied - are added
We can keep the library book for two weeks.
The library book can be kept for two weeks.
Next, the pot ___________ (place) on the stove and the oil ___________ (heat) on a high flame.
is placed - is heated
In the next stage, the flame___________ (reduce) and the pot gently ___________ (shake) until the corn pops.
is reduced - is gently shaken
We must fill in the form at the reception on arrival.
The form must be filled in at the reception on arrival.
The students can easily solve the problem.
The problem can be easily solved by the students.