Conditionals (Advanced)

1) If my friends --- (stay) last weekend, my house --- (be) so tidy now.

Answer explanation

MIXED CONDITIONAL

IF +past perfect, would/might/could+infinitive -

The speaker presents  an imaginary past condition and its likely present result 

2) ---(you/go) to bed an hour later yesterday, you --- (not feel) so fresh now.

Answer explanation

MIXED CONDITIONAL/INVERSION

HAD + Subject + Past Participle, Subject + WOULD + infinitive

The speaker presents  an imaginary past condition and its likely present result

3) If the teacher --- (come) to lunch with us today, --- (you/feel) so worried about the exam?

Answer explanation

SECOND CONDITIONAL

IF + past simple, would/might/could +infinitive

The speaker presents an IMAGINARY, IMPOSSIBLE or UNREAL condition and its LIKELY result in the present/future.

4) --- (you/find) yourself in that situation again, you --- (know) what to do.

Answer explanation

FIRST CONDITIONAL/INVERSION

More formal form of the FIRST CONDITIONAL with SHOULD

SHOULD + Subject + infinitive, Subject + WILL + infinitive

5) I was able to find the place without any trouble. If you --- (not give) me the instructions, I --- (get) lost.

Answer explanation

THIRD CONDITIONAL

IF +past perfect, would/might/could +have +past participle

The speaker presents an IMAGINARY situation in the PAST and SPECULATES about its LIKELY effects on a PAST event or situation.

6) If Jane and Mark --- (be) fitter, they --- (do) the marathon with me but they didn't do it because they aren't fit enough.

Answer explanation

MIXED CONDITIONAL

IF +past simple, would/might/could +have+pp

The speaker presents  a hypothetical present condition and speculates about its likely effects on a past event or situation.

7) If my dad's car --- (not broke) down last week, he --- (give) us a lift tomorrow.

Answer explanation

MIXED CONDITIONAL

IF +past perfect, would/might/could+infinitive

The speaker presents  an imaginary past condition and its likely future result 

8) --- (they/sell) their house today, they --- (make) a huge profit on it. The house is not on sale, though

Answer explanation

SECOND CONDITIONA/INVERSION

WERE + Subject + TO + infinitive, Subject + WOULD + infinitive.  

9) If elephant hunting --- (continue), the animals --- (become) extinct.

Answer explanation

FIRST CONDITIONAL

IF + present simple, will/might/could +infinitive

The speaker presents a POSSIBLE condition and its likely result in the future. 

10) When the sun --- (go) down, it --- (get) dark.

Answer explanation

ZERO CONDITIONAL

IF + present simple, present simple

The speaker presents the condition and the result as a FACT.