English · B2 · grammar · 5 minutes
Participle clauses
Compress shared-subject information with -ing, past participle, or having + participle.
Understand the choice
Participle clauses make relationships compact, but their understood subject normally must match the subject of the main clause. Explicit conjunctions are better when the relationship could be misread.
Core rule: Present participles often express simultaneous/causal activity, past participles a passive state, and having + participle a clearly earlier action.
Notice it in context
Having checked the figures, the analyst corrected the report.
Tras haber comprobado las cifras, la analista corrigió el informe.
Having checked establishes earlier action by the analyst, who is also subject of corrected.
Built in the nineteenth century, the station needs major repairs.
Because the station was built in that century, it now requires extensive restoration.
Built is a passive participle whose subject is station.
Walking home, I noticed that the river had risen.
While I was walking home, I observed the higher river level.
Walking shares subject I and provides simultaneous background.
What to remember
- A comma normally separates an opening participle clause from the main clause.
- Having been + participle can mark an earlier passive event but may sound heavy.
Common trap: Avoid dangling participles: Walking home, the rain started wrongly makes rain the walker.