Present Perfect / Simple Past
With a finished time word/phrase such as 'yesterday' or 'last week', we use this tense.
The simple past tense.
What is the comparative form of big?
bigger
When it rains, the ground becomes wet.
True or false: this is the zero conditional?
True.
The children ate the cake.
Is this in the active or passive voice?
The active voice.
I have 20 years old.
I am 20 years old.
bought
Of the 2 options, this one is (cheap).
Cheaper
In the zero conditional, both clauses are in this tense.
The present simple.
In the passive voice, we use a form of "be" + this form of the verb.
the past participle
I travel to Spain last summer.
I travelled to Spain last summer.
(You/ever/see) the northern lights?
Have you ever seen the northern lights?
Who is (beautiful) person in the world?
the most beautiful
If you heat ice, it _______.
Melts.
Change this to the passive:
The researchers gave a talk about vaccines.
A talk about vaccines was given by the researchers.
She has worked here since 2 years.
She has worked here for 2 years.
Karen (know) Sam since 1985. I can't believe they're still friends!
Which is (good) restaurant in the city?
the best
If people don't drink water, they die. Which clause expresses the result?
They die.
The experiment has been completed by John.
This is the passive voice in which tense?
The present perfect.
I didn't saw him yesterday.
I didn't see him yesterday.
have lived, moved
Learning how to ride a bike wasn't (easy), but it was (hard) to learn to drive a car.
easy, harder
Finish the sentence:
If you mix red and blue, _________.
You get purple.
People speak English all around the world.
Change to the passive voice.
English is spoken all around the world.
The homework was gave yesterday by the teacher.
The homework was given yesterday (by the teacher).