Inversion for Emphasis

In formal/literary English, placing a negative or restrictive word at the start triggers **subject-auxiliary inversion** (like questions). **Never / Rarely / Seldom / Hardly:** - **Never have** I seen such a beautiful sunrise over the Himalayas. - **Rarely does** he arrive on time. - **Hardly had** we reached the station **when** the train departed. **Not only ... but also:** - **Not only did** she top the exam, **but** she also won a scholarship. **Only + time/condition:** - **Only after** the monsoon **did** the farmers start sowing. - **Only when** she left **did** I realise her importance. **Little / At no time / Under no circumstances:** - **Little did** he know that his startup would become a unicorn. - **Under no circumstances should** you share your OTP. **So / Such ... that (fronted):** - **So heavy was** the traffic **that** we missed the flight.