Subjunctive mood & conditionals

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

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

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

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

5. Choose the correct form: “The principal insisted that the fire exit ____ unobstructed at all times” (remain / remains).

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

7. Choose the correct form: “He acts as if he ____ every capital city in the world” (knew / knows).

8. In the sentence “Water freezes at 0 °C at standard pressure”, what grammatical mood is the verb “freezes”: Indicative or Subjunctive?

9. Choose the correct form: “It is vital that the patient ____ hydrated during recovery” (stay / stays).

10. Choose the correct form: “The board proposed that the scholarship fund ____ expanded next term” (be / is).

11. Choose the correct form: “Whether the tide ____ high or low, the reef survey begins at dawn” (be / is).

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