| Form | Example | |
|---|---|---|
| Participle clauses | present/past/perfect — subject must match | walking home / having finished |
| Absolute clauses | own subject, often verbless | weather permitting, eyes closed |
| Infinitive purpose | to / in order to / so as to / for X to | in order to finish |
| Correlatives | not only ... but also, either/or, neither/nor | not only is she... but... |