Past perfect continuous: activity before a past point
Describe an activity leading up to a past moment with had been and -ing. Explain duration, repeated preparation and past evidence while distinguishing state verbs.
Read and practiseAdventure journal
English grammar
Understand English sentence patterns and verb forms with examples, explanations and exercises you can use.
Adventure journal
English grammar
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Formal conditional inversion
In formal conditions, had, were and should can move before the subject when if is omitted. Explore past, hypothetical and possible situations.
Read and practiseIf it were not for: a decisive condition
A person or circumstance can change an imagined outcome: contrast present situations with alternative past events.
Read and practiseIf only for: a limited reason
A single reason can be enough to justify an action, even when other reasons may exist. Explore purpose, cause and noun phrases.
Read and practiseEven if and even though: condition or fact?
A possible obstacle and a known fact call for different connectors. Compare their meanings and choose the right one in context.
Read and practiseFuture perfect: completed by a future deadline
Look back from a future point with will have and a past participle. Set completion deadlines with by, form negatives and questions, and describe states lasting until then.
Read and practiseAssuming and supposing in conditions
A proposed situation can serve as the starting point for a prediction or question about what follows.
Read and practiseOn condition that: formal agreements
An offer or agreement can depend on a specific requirement. Explore this formal expression and the verb forms that follow it.
Read and practiseDespite the fact that: full-clause contrast
A surprising result can follow a full clause introduced by despite the fact that; compare this formal phrase with the shorter although.
Read and practiseNot only but also: add emphasis with parallel structure
Two linked ideas gain emphasis when their forms match. Explore paired elements and the inversion used at the start of a clause.
Read and practiseFuture perfect continuous: duration measured in the future
Count how long an activity will have lasted at a future point using will have been and -ing. Distinguish duration from completion and keep the full auxiliary sequence.
Read and practiseAlternatives in dependent clauses
A decision, an indirect question or an outcome can involve alternatives. Compare balanced clauses and infinitive phrases in formal and everyday English.
Read and practiseWhereas and while for contrast
Two facts can point in different directions: connect contrasting characteristics clearly and distinguish comparison from a time meaning.
Read and practiseIn order that: formal purpose clauses
Formal purpose clauses explain an intended result and connect an action to what someone can, could or may do.
Read and practiseLest and for fear that: unwanted outcomes
Formal clauses can describe an outcome someone wants to prevent, from losing a file to waking a sleeping child.
Read and practiseWhatever and whichever: choices without knowing which
An open choice or a choice from a known set can both be expressed in a clause. Distinguish the two forms and use them with or without a noun.
Read and practiseFuture in the past: would, was going to and arrangements
Describe plans and expectations viewed from an earlier moment. Use would, was or were going to and past continuous without assuming every plan failed.
Read and practiseWhoever and whomever in embedded clauses
A person can be the subject or object inside a clause, even when the whole clause plays a different role in the sentence.
Read and practiseNo matter what, where and who
A result can stay the same despite an unknown person, place or choice. Explore concessive clauses and their word order.
Read and practisePast deductions: must have, might have and can’t have
Infer earlier events with modal plus have and a past participle. Distinguish confident conclusions, uncertain possibilities and negative deductions, including may not have.
Read and practiseReduced relative clauses with past participles
A passive relative clause can often be shortened after a noun: discover when a past participle preserves the intended meaning.
Read and practiseReduced relative clauses with -ing
A person carrying a bag or a bridge connecting villages: an active -ing phrase can identify a noun without a full relative clause.
Read and practiseCould have: unused opportunities and uncertain explanations
Distinguish an available option that was not taken from a possible explanation of a past event. Use could have plus a participle and interpret the surrounding evidence.
Read and practiseQuantifiers in relative clauses: subsets
A group can be followed by extra information about some or all of its members, using a quantifier and a relative pronoun.
Read and practise