Complete the secret agent's mission report on a rather incompetent villain by choosing the most appropriate sentence adverb for each blank.
The villain's doomsday laser was mercifully unplugged by the night shift cleaners, saving the entire eastern seaboard from vaporization. The mastermind had evidently forgotten to pay his henchmen, considering they all walked out on strike just minutes before the attack. This organization is arguably the most incompetent evil syndicate in history, although a few rival villains might dispute that title.
The villain's doomsday laser was mercifully unplugged...
"Mercifully" expresses the speaker's relief that a terrible event was avoided (saving the seaboard).
The mastermind had evidently forgotten to pay his henchmen...
"Evidently" is used when deducing something based on clear evidence (the fact that the henchmen went on strike).
This organization is arguably the most incompetent evil syndicate in history...
"Arguably" means that a strong case can be made for this claim, which fits perfectly with the concession that rival villains "might dispute that title."
Adverb
- ✅ She sings beautifully — ❌ She sings beautiful
- ✅ He drives carefully — ❌ He drives careful
- ✅ They arrived late — ✅ a late train (same form, both roles)
- ✅ She works hard — ❌ She works hardly (different meaning!)
The -ly words are adverbs — they modify verbs, adjectives, or other adverbs, telling you how, when, where, or to what degree.
Pattern: most adjectives become adverbs by adding -ly, but watch the exceptions — fast, hard, late, well — that keep the same shape or change meaning entirely.
Sentence
- She left. — simple (one independent clause)
- She left, and he stayed. — compound (two independents)
- She left because she was tired. — complex (independent + dependent)
- She left because she was tired, and he stayed. — compound-complex
A sentence = one or more clauses forming a complete thought, ending with terminal punctuation. Four types based on clause structure: simple, compound, complex, compound-complex.
Minimum requirement: at least one independent clause with a subject + finite verb. Without that → fragment.
C1 | Advanced
- ✅ Not only did she finish early, but she also helped others. — inversion for emphasis
- ✅ It is the process that matters, not the result. — cleft sentence
- ✅ I insist that he be present. — formal subjunctive
- ✅ Were I to disagree, I would say so. — inverted conditional
These are C1 structures — the CEFR advanced level. At C1 you control inversion, cleft sentences, subjunctive forms, and register-switching fluently across formal and informal contexts.
Marker: if you can restructure a sentence for rhetorical effect without hesitation, you're C1.
Hard
- Had she not intervened, the situation would have escalated. — inverted conditional
- All distractors are grammatically plausible in other contexts
- Multiple rules interact (e.g., tense + aspect + modality)
- Context determines the answer — no single "rule" is enough
Hard marks upper-intermediate to advanced challenges: B2+, interacting rules, edge cases, plausible distractors, and contexts where pattern-matching fails.
Use "Hard" when Easy/Medium feel trivial and you want to test whether you actually understand a rule versus just recognising surface patterns.