Grammar Topics
Browse and filter all grammar topics by level or category.
134 topics found
Advanced Dependent Prepositions
Less common but essential collocations: on behalf of, regardless of, in terms of, with regard to.
Mixed Conditionals
Combining time frames: past hypothetical condition + present result, or present hypothetical + past result.
Phrasal Verbs (Separable and Inseparable)
The grammar of phrasal verbs: when objects can or must come between verb and particle.
Alternatives to If (Unless, Provided That, As Long As, In Case)
Other conditional conjunctions: unless (if not), provided that, as long as (only if), in case (as a precaution).
Non-Defining Relative Clauses
Extra information clauses set off by commas: My sister, who lives in Paris, is a doctor.
Transitivity (Transitive vs. Intransitive Verbs)
Understanding which verbs take an object (transitive) and which do not (intransitive).
Noun Clauses (That-clauses and Wh-clauses)
Clauses that function as nouns: I know that she left. Tell me what you want.
Advanced Subject-Verb Agreement (The Exceptions)
Complex agreement patterns: collective nouns, either/neither, none, relative clause subjects, inverted sentences.
Comparison Nuances
Fine-grained comparison: as…as, not as…as, the…the, far/much/a lot + comparative, double comparatives.
Wish and If Only
Expressing regret and desire for things to be different: I wish I had studied harder. If only I knew.
Advanced Passive Voice
Passives across tenses, with modals, and impersonal passives: It is said that… / He is believed to…
Formal Subjunctive
The subjunctive mood in formal English: I suggest that he be present. It is essential that she arrive on time.