8.4 – About who? About what? – o  LOC

Let’s start by seeing the forms of kdo and co in the locative:

	‘who’	‘what’
nominative	kdo	co
locative	kom	čem

O kom mluvíte?

Who are you talking about? (lit. about who are you talking)

O čem mluvíš?

What are you talking about? (lit. about what are you talking)

We also might want to talk about people or things. For this, we’ll use the preposition o  LOC:

	Masculine Animate	Masculine Inanimate	Feminine	Neuter
Hard	-ovi	-e /-ě or -u	-e /-ě	-e /-ě or -u
Soft	-ovi or -i	-i	-i	-i	-í

Let’s start with talking about people (o kom? – ‘about who?’):

Mluvím o Janovi.

I’m talking about Jan.

Mluvíme o Tomášovi.

We’re talking about Tomáš.

Mluvili o Sáře.

They were talking about Sára.

We can also talk about various things (o čem? – ‘about what?’):

Mluvíme o počasí.

We’re talking about the weather.

Karel mluví o sportu.

Karel is talking about sports.

Lucie mluví o literatuře.

Lucie is talking about literature.

Some other verbs you can use with o ‘about’:

přednášet – to lecture, give a lecture	Paní profesorka přednášela o druhé světové válce. The professor (mrs. professor) was lecturing about the Second World War.
myslet si – to have an opinion about	Co si myslíš o českém prezidentovi? What do you think about the Czech president? Co si myslíte o novém filmu? What do you think of the new movie?
vědět – to know	Karel neví nic o české historii. Karel doesn’t know anything about Czech history

Images used in this document come from these sources.