Starou pračku odvezou zítra.

Because starou pračku is the direct object of the sentence, so it has to be in the accusative case.

The basic dictionary forms are:

• stará = old
• pračka = washing machine

But in the accusative singular, feminine nouns and adjectives change:

• stará → starou
• pračka → pračku

So:

• stará pračka = an old washing machine / the old washing machine (subject form)
• starou pračku = an old washing machine / the old washing machine (object form)

In this sentence, the washing machine is the thing being taken away, so Czech uses the object form: starou pračku.

Odvezou means they will take away, they will transport away, or they will haul away.

It comes from the verb odvézt:

• vézt = to carry / transport by vehicle
• odvézt = to take away by vehicle

So odvezou suggests moving something somewhere else, typically by car, van, truck, etc.

That is why odvézt fits well with something like pračka (a washing machine), since it is large and usually transported rather than simply carried.

This is a very common Czech feature.

Odvézt is a perfective verb. With perfective verbs, the present-tense forms are usually used with future meaning.

So:

• odvezou literally has a present-tense form
• but it means they will take away

This is normal in Czech:

• napíšu = I will write
• udělá = he/she will do
• odvezou = they will take away

If you wanted a true present meaning like they are taking away, Czech would normally use an imperfective verb instead.

Czech often leaves out subject pronouns when they are not needed.

The ending -ou in odvezou already tells you the subject is 3rd person plural:

• odvezu = I will take away
• odvezeš = you will take away
• odveze = he/she/it will take away
• odvezeme = we will take away
• odvezete = you (plural/formal) will take away
• odvezou = they will take away

So Czech does not need to say oni (they) unless it is being emphasized.

Because Czech word order is much more flexible than English word order.

All of these are possible, depending on emphasis:

• Starou pračku odvezou zítra.
• Zítra odvezou starou pračku.
• Odvezou zítra starou pračku.

The sentence you have starts with Starou pračku, which puts focus or topic emphasis on the washing machine. It can feel like:

• As for the old washing machine, they’ll take it away tomorrow
• or The old washing machine will be taken away tomorrow

So the meaning stays basically the same, but the information structure changes.

No. Zítra just means tomorrow, and its position is flexible.

You could say:

• Starou pračku odvezou zítra.
• Zítra odvezou starou pračku.
• Odvezou starou pračku zítra.

All are understandable. The choice depends on what you want to emphasize.

A very neutral version would often be:

• Zítra odvezou starou pračku.

But the original sentence is completely natural too.

In normal modern Czech, pračka means washing machine.

It comes from the verb prát = to wash laundry.

Related words:

• prát = to wash clothes/laundry
• pračka = washing machine
• praní = washing, laundry

So in this sentence, pračku clearly means washing machine in the accusative case.

Yes. Starou is the adjective old, agreeing with pračku.

In Czech, adjectives have to match the noun in:

• gender
• number
• case

Since pračku is:

• feminine
• singular
• accusative

the adjective must match it:

• starou

So starou pračku = the old washing machine / an old washing machine.

Czech has no articles like English a/an/the.

So starou pračku can mean either:

• an old washing machine
• the old washing machine

You understand which one is meant from context.

In many real situations, this sentence would probably mean the old washing machine, because speaker and listener already know which washing machine they are talking about. But grammatically, Czech itself does not mark that with an article.

The prefix od- adds the idea of away or off.

So:

• vézt = to transport, carry by vehicle
• odvézt = to take away, transport away
• přivézt = to bring
• dovézt = to bring/transport to a destination

In your sentence, odvezou specifically means taking the washing machine away from its current place.

Yes, usually.

The verb vézt / odvézt is associated with transporting something by vehicle or in some kind of conveyance.

For comparison:

• odnést = to carry away by hand / on foot
• odvézt = to take away by vehicle
• odvést = to lead away (often a person or animal), or escort away

So for a heavy object like a washing machine, odvézt is very natural.

Then the verb would be odveze instead of odvezou.

So:

• Starou pračku odveze zítra. = He/She will take away the old washing machine tomorrow.

The object stays the same:

• starou pračku

Only the verb changes to match the subject.

A rough pronunciation guide for an English speaker is:

• Starou ≈ STAH-roh
• pračku ≈ PRACH-koo
• odvezou ≈ OD-veh-zoh
• zítra ≈ ZEE-trah

A few notes:

• ou in starou and odvezou is like a long diphthong, roughly like oh-oo blended together.
• č in pračku sounds like ch in church.
• í in zítra is a long ee sound.

A more natural overall rhythm would be something like:

STAH-roh PRACH-koo OD-veh-zoh ZEE-trah

Yes, depending on context.

Although the Czech sentence is literally active:

• They will take away the old washing machine tomorrow

English might sometimes naturally translate it as:

• The old washing machine will be taken away tomorrow

That is because Czech often uses an unspecified they where English may prefer a passive construction.

So if the people doing it are unimportant or unknown, the passive English version can sound very natural.