If Mary _____ (have) enough money, she'll come with us on vacation.
has
If you freeze water it turns into ice.
Zero Conditional
A 2nd conditional sentence is subjective (unreal).
True
Our children won't eat vegetables if they don't have orange juice.
Correct
If you make dinner, I ________ (do) the dishes.
will do
Mary would buy a new jacket if she had enough money.
Second Conditional
The structure of the 1st conditional is: Simple present + will+ verb (present).
True. We use simple present in the If-Clause and in the Main Clause we can use the verb will or modal verbs.
If it rains, we would cancel the picnic.
If it rains, we WILL cancel the picnic.
If Jason ______ (travel) to New York, he _____ (visit) the Empire State Building.
travels / will visit
If David isn't late, we will make the decision soon.
1st Conditional
In the 2nd conditional sentence, "has been" and "have done" can be used.
False.
Jane will play the violin if you ask her nicely.
Correct
If I ________ (have) enough money now, I __________ (go) to Spain right away.
had / would go
She would travel all over the world if she were rich.
2nd Conditional
The first conditional talks about things that are almost impossible to happen.
False. Second conditional talks about things that are not likely to happen.
If she goes outside, she would see the parade.
If she WENT outside, she would see the parade.
If she _______ (drive) carefully, she ___________ (not/have) have problems in the traffic.
drives / won't have
If you don't study, you won't pass the exam.
1st Conditional
This sentence talks about impossible situations: "I'd be so much stronger if I worked out more!"
True. That is the structure of the 2nd conditional: Simple past or were + would + verb (base form).
If she teaches Spanish, the students would get better grades.
If she TAUGHT Spanish, the students would get better grades.