Complex sentence building techniques
Subordination for emphasis:
Make the important idea the main clause.
- Less emphasis: Although she was ill, she attended class.
Clause types: dependent — adverbial (concession); independent main clause: she attended class - More emphasis: She attended class although she was ill.
Clause types: independent main clause; dependent — adverbial (concession)
Parallel structures:
Use similar grammatical forms for items in a list or joined elements.
- Incorrect: She likes reading, to swim, and biking.
Note: inconsistent forms (gerund, infinitive, gerund) - Correct: She likes reading, swimming, and biking.
Clause/phrase types: gerund phrases (parallel)
Inversion for style/contrast:
Move negative or limiting adverbs before the verb.
- Normal: I had never seen such chaos.
Clause part: negative adverb + verb phrase - Inverted: Never had I seen such chaos.
Clause type: inversion for emphasis (independent clause)
Connectors and transitions (intermediate)
- Additive: furthermore, moreover, in addition.
She studied hard; moreover, she practiced speaking daily.Clause types: independent clauses linked; second clause begins with transitional adverb
- Contrastive: however, nevertheless, on the other hand.
He studied medicine; however, he became a teacher.
Clause types: independent clauses linked; transitional adverb - Cause/result: therefore, consequently, thus.
It rained heavily; consequently, the match was postponed.
Clause types: independent clauses linked; result connector - Concessive: although, even though, despite/in spite of + noun phrase.
Despite the rain, we completed the hike.
Clause/phrase type: prepositional phrase used concessively (contrast with dependent clause)
Modal and tense variety in predicates
- Use mixed tenses for reported speech, conditionals, or narrative.
Reported: He said he had seen the movie.
Clause type: dependent — noun clause (object) with past perfect
Sequence: She had left before I arrived.
Clause part: past perfect verb phrase (shows earlier past action) - Modal perfects for speculation about the past: must have, might have, could have, should have.
She must have missed the bus.
Clause/phrase: modal perfect + verb (speculation about past)
Conditional sentences (intermediate)
1. Zero conditional — general truths, facts, or habits.
- Form: If + present simple, present simple.
- Use: cause → result that is always true.
- Example: If you heat water to 100°C, it boils.
Clause types: dependent — adverbial (condition); independent — result (present simple)
2. First conditional — real or likely future situations.
- Form: If + present simple, will + base verb (or other modal for future possibility).
- Use: possible condition with a probable future result.
- Example: If it rains tomorrow, we will cancel the picnic.
Clause types: dependent — adverbial (condition); independent — future result
3. Second conditional — unreal or unlikely present/future situations (hypothetical).
- Form: If + past simple (often with were for all subjects), would + base verb (or could/might).
- Use: imagine a present/future that is unlikely or contrary to fact.
- Example: If I won the lottery, I would buy a house.
Clause types: dependent — unreal present/future; independent — hypothetical result
4. Third conditional — unreal past situations (counterfactual past).
- Form: If + past perfect, would have + past participle (or could/might have).
- Use: imagine a different past and its possible past result (regret/speculation).
- Example: If she had studied, she would have passed the exam.
Clause types: dependent — unreal past; independent — hypothetical past result
5. Mixed conditionals — combine two time frames (past condition with present result, or present condition with past result).
- Common pattern 1 (past condition → present result): If + past perfect, would + base verb.
Example: If I had taken that job, I would be living in Paris now.
Clause types: dependent — unreal past; independent — present result - Common pattern 2 (present condition → past result): If + past simple, would have + past participle (less common).
Example: If I were more careful, I would have avoided that mistake.
Clause types: dependent — unreal present; independent — hypothetical past result
Quick tips:
Use zero for facts, first for likely futures, second for unreal/imagined presents/futures, third for unreal past.
Watch verb forms: present → present (zero); present → will (first); past → would (second); past perfect → would have (third).
Reported/Indirect speech
Change tenses, pronouns, and time expressions when converting direct speech to reported speech.
- Direct: “I am leaving tomorrow,” she said.
Clause: direct speech (present + time adverb) - Reported: She said she was leaving the next day.
Clause type: dependent — noun clause (object) with backshifted tense
Punctuation that affects structure
Commas with non-defining relative clauses and fronted adverbials:
- Fronted adverbial: After the meeting, we went for coffee.
Clause/phrase type: fronted adverbial (time) — comma required - Non-defining clause: The conference, which lasted three days, was useful.
Clause type: dependent — relative (non-defining) — set off by commas
Semicolons and colons for linking clauses and lists:
- Semicolon: He loves music; she prefers silence.
Clause types: two independent clauses joined by semicolon - Colon (introducing explanation): She had one goal: to finish the marathon.
Phrase type: infinitive phrase as explanation/complement
Style and clarity tips
Vary sentence length and type to improve rhythm.
Use subordination to show logical relationships.
Avoid dangling modifiers: ensure the participle clearly refers to the subject.
Wrong: Running to catch the bus, the book fell from my bag.
Problem clause: participial phrase incorrectly attached — dangling modifier
Correct: Running to catch the bus, I dropped the book from my bag.
Clause/phrase: participial phrase correctly modifying subject
Practice tasks (intermediate)
- Combine into one complex sentence using a relative clause:
I met a writer. He wrote the article about climate change.
Answer: I met a writer who wrote the article about climate change.
Clause type: dependent — relative (defining) - Reduce the clause:
The students who were waiting outside the classroom were noisy.Answer: The students waiting outside the classroom were noisy.
Clause type: reduced relative participial phrase - Transform to reported speech:
“I will finish the report tomorrow,” he said.Answer: He said he would finish the report the next day.
Clause type: dependent — noun clause (object), tense backshifted - Mixed conditional:
Explain result now from different past: If she had taken the job, she (be) in London now.Answer: If she had taken the job, she would be in London now.
Clause types: dependent — past unreal; independent — present result (modal) - Rewrite using parallel structure:
He enjoys to swim, biking, and running.Answer: He enjoys swimming, biking, and running.
Phrase types: parallel gerund phrases
Examples at a glance
Relative clause: The book that I borrowed is excellent.
Clause type: dependent — relative (defining)
Reduced clause: Students preparing for exams should rest.
Clause type: reduced relative participial phrase
Inversion: Rarely do we see such skill.
Clause type: independent clause with inversion for emphasis
Mixed conditional: If I had saved more, I would be less worried now.
Clause types: dependent — past unreal; independent — present result