Subjunctive mood & conditionals

1. Choose the correct past counterfactual: “If we ____ measured the mass before heating, we could have calculated the water lost” (had / would have).

2. In the sentence “If the bridge were wider, buses could cross in both directions”, what mood is “were”: Subjunctive or Imperative?

3. Choose the correct form: “The bylaws require that the treasurer ____ an audited statement every year” (submit / submits).

4. In the sentence “Verify the data before you publish”, what grammatical mood is the verb “Verify”: Imperative, Subjunctive, or Interrogative?

5. Choose the correct counterfactual form: “She spoke as though she ____ the sole author of the report” (were / was).

6. Choose the correct inverted conditional: “____ the sensor to fail, the backup alarm would sound immediately” (Were / Was).

7. Choose the correct form: “It is essential that the specimen ____ kept at a constant temperature” (be / is).

8. Choose the correct form: “It is important that a scientific hypothesis ____ testable and falsifiable” (be / are).

9. Choose the correct form: “Take shelter immediately lest the storm ____ you in the open channel” (catch / catches).

10. In the fixed expression “Suffice it to say, the experiment succeeded”, what mood is “Suffice”: Subjunctive or Interrogative?

11. Choose the correct form: “The editor demanded that the fabricated quotation ____ removed immediately” (be / was).

12. Choose the correct counterfactual form: “I wish it ____ possible to observe the eclipse from our island tonight” (were / was).