The correct answers are If the neighboring kingdom were to attack tomorrow, your defenses would crumble. and Suppose your majesty were betrayed by a close friend; how would you react?
Let's break down the options:
- Correct: "If... were to attack" is the standard formal subjunctive for a hypothetical future event.
- Correct: "Suppose" functions as a conditional conjunction (just like "if") and correctly triggers the subjunctive "were" for the singular subject "your majesty."
- Incorrect: "Were the new treaty to be signed..." is a great subjunctive clause, but the main clause uses "will end" (first conditional) instead of "would end" (second conditional).
- Incorrect: "Was the royal advisor to resign..." uses "was" for inversion. Conditional inversion ONLY works with the subjunctive "were" (i.e., Were the royal advisor to resign).
Subjunctive mood
Subjunctive vs indicative: indicative states facts (He goes every day). Subjunctive marks unreality (I suggest he go; If I were you). The subjunctive drops the -s and insists on were — signalling "this isn't (or may not be) real." In informal speech it's disappearing, but formal/academic writing still expects it.
The subjunctive mood = hypothetical/counterfactual marker. Present subjunctive (base form after suggest/demand/insist that). Past subjunctive (were in unreal conditionals).
Diagnostic: is the clause about something unreal, demanded, or recommended (not yet true)? → subjunctive. Is it factual? → indicative.
Conditional sentence
Second vs third conditional: second = unreal present/future (If I had money, I would buy it — but I don't have money now). Third = unreal past (If I had studied, I would have passed — but I didn't study). The most common confusion: using second when you mean third, making your timeline unclear.
A conditional sentence = if-clause + consequence clause. Five patterns (zero, 1st, 2nd, 3rd, mixed) each encode a specific time and probability.
Diagnostic: is the hypothetical about now or then? Now → second conditional. A past event that didn't happen → third conditional.
Verb mood
Mood vs tense: tense tells you WHEN (past/present/future). Mood tells you the speaker's ATTITUDE (fact/command/hypothetical). She goes (indicative + present) vs Go! (imperative) vs I wish she went (subjunctive + past form but present meaning). Mood and tense work independently.
Verb mood = attitude marking. Indicative (facts), imperative (commands), subjunctive (unreal), conditional (dependent). Each uses different verb forms or auxiliaries.
Diagnostic: is the speaker stating a fact? → indicative. Commanding? → imperative. Imagining something unreal? → subjunctive. Expressing what would happen under a condition? → conditional.
Inversion
Question inversion vs emphatic inversion: question inversion is basic grammar (Is she ready?) — every learner uses it. Emphatic inversion (Never have I seen…, Not only does she…) is a C1+ rhetorical tool for formal writing and speeches. Same mechanism, different register.
Inversion swaps subject + auxiliary order. Triggered by: questions, fronted negatives (Never, Rarely, Not only), and conditional if-deletion (Had I known…).
Diagnostic: is a negative/restrictive word at the front of a declarative sentence? → inversion required. Is it a question? → inversion is automatic.
Clause
Clause vs phrase: a clause has a subject + verb (she runs); a phrase does not (in the morning, running fast). This is the first distinction to make when analysing sentence structure.
A clause is a grammatical unit built around a verb: independent clauses make complete sentences; dependent clauses attach to them as modifiers or complements.
Diagnostic: find the verb. If there's a subject doing or being something → clause. If there's no subject-verb pair → phrase.
C1 | Advanced
C1 vs C2: C1 means fluent and flexible use with occasional gaps in very unfamiliar domains. C2 means native-like command of idiom, irony, and register across any subject. If you can handle advanced grammar but still miss cultural nuance or very rare idioms, you're C1.
C1 is the advanced CEFR level: inversion, cleft sentences, subjunctive mood, advanced conditionals, and precise register control in professional and academic contexts.
Diagnostic: can you write persuasively in different registers and catch subtle irony? Consistently → C2. Sometimes → C1.
Hard
Hard vs Medium: Medium tests one rule with realistic distractors. Hard tests interacting rules, edge cases, or context-dependent answers where multiple options seem correct until you think deeply. If you're scoring 80%+ on Medium, try Hard to find your real gaps.
The Hard tag filters for B2+ challenges with layered difficulty: rule interactions, subtle distractors, and contexts that demand genuine grammatical reasoning.
Diagnostic: if Hard questions feel impossible, drop to Medium and master the individual rules first. Hard assumes you already know each rule — it tests whether you can apply them together.