Uzupełnij zdania, używając form z ramki. Trzy formy zostały podane dodatkowo i nie pasują do żadnego zdania. Użyj do tego wszystkich trybów warunkowych.
(could speak, didn't speak, had spoken, invest, tried, wash, washed, won't invest, would have invested, would try)

1 I'll lend you my car on condition that you ...... it.
2 Nothing can be changed unless we ...... time and money into it.
3 I'd be grateful if you ...... the dishes after the dinner.
4 If I ..... any foreign language, they would have offered me the job.
5 The last government ...... a lot more into renewable energy sources if it had been forced by the EU.
6 If we ...... harder, we would be able to save more species from extinction.
7 You wouldn't hesitate what to do now if you ...... to one of our advisors before.