https://tts.langeek.co/read?text=d2hv&hash=4f0e1d07cff8fbae20d75f819733e0a07607f5d1&lang=en&cache-only=0&driver=googletts&accent=US

which

https://tts.langeek.co/read?text=d2hpY2g&hash=5c650eebc681449658f92652c648959a28657fbd&lang=en&cache-only=0&driver=googletts&accent=US

that

https://tts.langeek.co/read?text=dGhhdA&hash=916e3688f441bd1dc78ed4a9fe65dac88a43b6e1&lang=en&cache-only=0&driver=googletts&accent=US

whom

https://tts.langeek.co/read?text=d2hvbQ&hash=bcfd01cb04171bcc244b198f224ebea9cd09ac05&lang=en&cache-only=0&driver=googletts&accent=US

whose

https://tts.langeek.co/read?text=d2hvc2U&hash=4ada998444355217be52200eaf641bbc60747da7&lang=en&cache-only=0&driver=googletts&accent=US

Relative pronouns are words that introduce relative clauses which provide additional information about a noun or noun phrase mentioned earlier in the sentence.

Pronombres Relativos

Pronombres relativos en inglés

Relative Pronouns

English "Relative" Pronouns