După aceea, Ana va mătura podeaua din bucătărie.

It is a time expression meaning after that, afterwards, or then.

• după = after
• aceea = that

Together, După aceea works as a fixed phrase for sequencing events. It is a little more standard or neutral than the more colloquial după aia.

Because După aceea is an introductory time phrase placed at the beginning of the sentence.

Romanian often uses a comma after fronted adverbial expressions like this, especially when there is a natural pause:

• După aceea, Ana va mătura...

In everyday writing, very short introductory phrases are sometimes written without a comma, but the comma here is completely normal and helps readability.

Va mătura is a standard future-tense form.

• va = the 3rd person singular future auxiliary
• mătura = the infinitive/base verb form used after that auxiliary

So:

• Ana va mătura = Ana will sweep

This pattern is common in standard Romanian:

• voi mătura = I will sweep
• vei mătura = you will sweep
• va mătura = he/she will sweep
• vom mătura = we will sweep
• veți mătura = you all will sweep
• vor mătura = they will sweep

Because this sentence uses the future pattern with va + infinitive.

• va mătura = standard future
• o să măture = another future construction, more conversational, using the subjunctive form

So both are correct, but they belong to different structures:

• Ana va mătura podeaua...
• Ana o să măture podeaua...

A learner often notices both and wonders why the verb changes. That is the reason.

Yes. A very natural conversational version would be:

După aceea, Ana o să măture podeaua din bucătărie.

You may also hear:

După aia, Ana o să măture podeaua din bucătărie.

Compared with va mătura, o să măture usually sounds a bit more informal and spoken.

Because podeaua is the definite form: the floor.

• podea = a floor
• podeaua = the floor

Romanian usually attaches the definite article to the end of the noun instead of putting a separate word before it.

So:

• o podea = a floor
• podeaua = the floor

In this sentence, the speaker means a specific floor, so the definite form is used.

Because podeaua is an inanimate direct object.

In Romanian, pe is often used before specific animate direct objects, especially people:

• Văd pe Ana. = I see Ana.

But with ordinary inanimate nouns, you usually do not use pe:

• Ana va mătura podeaua.

So the absence of pe here is exactly what you would expect.

Here din bucătărie identifies location: it means something like in/from the kitchen, and in natural English this becomes the floor in the kitchen or the kitchen floor.

A key point is that Romanian often uses room names after prepositions without a definite article:

• în bucătărie = in the kitchen
• din bucătărie = from/in the kitchen, depending on context

So even though English uses the kitchen, Romanian can simply say bucătărie after a preposition.

Din bucătăria by itself would usually feel incomplete. It normally needs something after it, such as:

• din bucătăria casei = from the kitchen of the house
• din bucătăria mea = from my kitchen

No. Another possible version is:

podeaua bucătăriei

That literally corresponds more closely to the floor of the kitchen.

So both are possible:

• podeaua din bucătărie = very natural, everyday phrasing
• podeaua bucătăriei = also correct, a bit more compact and sometimes slightly more formal or written

In ordinary speech, podeaua din bucătărie is extremely natural.

No, Romanian word order is fairly flexible, though this version is very normal:

După aceea, Ana va mătura podeaua din bucătărie.

It follows a clear pattern:

• time expression
• subject
• verb
• object
• location phrase

You can move parts around for emphasis, for example:

• Ana va mătura podeaua din bucătărie după aceea.
• După aceea va mătura Ana podeaua din bucătărie.

These alternatives are possible, but the original version is the most neutral and straightforward.

Yes. They are closely related:

• a mătura = to sweep
• mătură = broom

They come from the same root. This is useful to remember because the vocabulary forms a nice family:

• mătură = broom
• a mătura = to sweep

So the sentence contains the verb to sweep, not the noun broom.