Subjunctive mood in advanced conditional constructions including archaic forms
Q1. If need ___, I will stay late to finish
Subjunctive BE expresses contingency. Needs arise. Dedication is shown.
Q2. Lest we ___, let us remember the lessons of history
LEST + subjunctive means 'so that we do not'. History teaches. Memory serves.
Q3. If any person ___ dissatisfied, let them speak
Subjunctive BE in formal conditions. Dissatisfaction is invited. Voices are heard.
Q4. She requested that he ___ present at the hearing
Subjunctive after REQUESTED. Presence is required. Hearings proceed.
Q5. In which variety of English is the subjunctive more common?
American English retains subjunctive more robustly. British English often uses SHOULD. Both understand.