The 1st conditional sentence shows imaginary situation that is less likely to happen
False. It shows the situation that is quite likely to happen
If Marina _____ (have) enough money, she'll come with us on vacation.
has
If she goes outside, she would see the parade.
FALSE.If she WENT outside, she would see the parade.
The structure of the 1st conditional is: the Present Simple + will+ infinitive.
True. We use simple present in the If-clause and in the main clause we can use the verb will or modal verbs.
If you make dinner, I ________ (do) the dishes.
will do
If she teached Spanish, the students would get better grades.
FALSE. If she TAUGHT Spanish, the students would get better grades.
In the 2nd conditional we can also use could, might instead of would.
True.
If Jason ______ (fly) to New York, he _____ (visit) the Empire State Building.
flew / would visit
We won't meet the project deadline supposing we allocate more resources to the development team.
FALSE. We won't meet the project deadline UNLESS we allocate more resources to the development team.(UNLESS is similar in meaning to "IF NOT")
The first conditional talks about imaginary things.
False. Second conditional talks about imaginary things
If Dmitrii I ________ (have) enough money, I __________ (go) to Spain.
had / would go
I will help you with your client providing you help me with my budget report.
Correct
The structure of a hypothetical sentence is: Simple past or were + would + verb (present).
True. That is the structure of the 2nd conditional, to express unreal situations.
Stas can't come to the conference if\unless he is invited.
unless
Supposing we increase our marketing budget, we could potentially reach a wider audience.
FALSE.PROVIDING we increase our marketing budget, we could potentially reach a wider audience.