Я сушу кроссовки на балконе после дождя.

Сушу is the 1st person singular present tense form of сушить — to dry something.

So:

• я сушу = I dry / I am drying
• ты сушишь = you dry
• он/она сушит = he/she dries

A very important point: сушить is usually used when someone is drying something else.

Compare:

• Я сушу кроссовки. = I am drying the sneakers.
• Кроссовки сохнут. = The sneakers are drying / drying by themselves.

So сушить is transitive, while сохнуть is more like to get dry / to dry out.

It is in the correct object case: accusative plural.

The noun is:

• singular: кроссовка
• plural: кроссовки

In Russian, for inanimate plural nouns, the accusative is usually the same as the nominative.

So:

• nominative plural: кроссовки
• accusative plural: кроссовки

That is why you see:

• Я сушу кроссовки. = I am drying the sneakers.

If the noun were animate, the plural accusative would often look different.

Кроссовки means sneakers, trainers, or sometimes running shoes, depending on context.

It is a very common everyday word for athletic-style shoes.

Examples:

• новые кроссовки = new sneakers
• белые кроссовки = white trainers

A native English speaker should note that Russian often uses the plural here, just like English does with sneakers.

Because this sentence describes location, not movement.

• на балконе = on the balcony / on the porch / out on the balcony
• на балкон = onto the balcony (direction, movement toward it)

After на, Russian uses:

• prepositional case for location: где? = where?
• accusative case for destination: куда? = to where?

So:

• Я сушу кроссовки на балконе. = I am drying them on the balcony.
• Я несу кроссовки на балкон. = I am carrying them onto the balcony.

Here, the shoes are already there, so на балконе is correct.

Because после always takes the genitive case.

The basic noun is:

• дождь = rain

In the genitive singular, it becomes:

• дождя

So:

• после дождя = after the rain / after rain

This is a very useful pattern to remember:

• после урока = after the lesson
• после работы = after work
• после фильма = after the film

So in your sentence, после дождя is grammatically required.

It can naturally mean either, depending on context.

Most literally, после дождя is after the rain. But in normal English translation, it often comes out as:

• after the rain
• after it rained
• after the rainfall

In this sentence, the idea is simply that the sneakers got wet because of rain, and now the speaker is drying them.

Yes, Russian often drops personal pronouns when they are clear from the verb form.

Since сушу already means I dry / I am drying, you could also say:

• Сушу кроссовки на балконе после дождя.

That still clearly means I’m drying the sneakers on the balcony after the rain.

Including Я can:

• add emphasis
• make the sentence clearer in isolation
• sound a bit more explicit

So both are correct:

• Я сушу кроссовки...
• Сушу кроссовки...

Russian present tense often covers both:

• I dry
• I am drying

So Я сушу кроссовки can mean:

• I’m drying the sneakers right now
• I dry sneakers in a more general sense

In this sentence, because of the context (on the balcony after the rain), it most naturally means I am drying the sneakers.

Russian does not have a separate grammatical form exactly like the English progressive am drying. Context usually tells you which meaning is intended.

Yes, aspect matters here.

Сушить is imperfective, and that makes sense because it describes:

• an ongoing process
• a present action
• a general activity

So:

• Я сушу кроссовки = I’m drying the sneakers / I dry the sneakers

A common perfective partner is высушить = to dry completely / to finish drying.

But Russian perfective verbs normally do not have a true present tense. Their “present” forms usually refer to the future.

So:

• Я высушу кроссовки = I will dry the sneakers / I’ll get them dry

That is why сушу is the natural choice here.

Yes. Russian word order is flexible, although the neutral order here is very natural:

• Я сушу кроссовки на балконе после дождя.

Other orders are possible, depending on emphasis:

• После дождя я сушу кроссовки на балконе.
  Emphasis on after the rain.
• Кроссовки я сушу на балконе после дождя.
  Emphasis on the sneakers.
• На балконе я сушу кроссовки после дождя.
  Emphasis on on the balcony.

So the basic meaning stays the same, but the focus shifts.

Not necessarily.

Russian often leaves out possessives like my, your, his, etc. when ownership is obvious from context.

So:

• Я сушу кроссовки very naturally means I’m drying my sneakers, if that is obvious.

If you want to emphasize that they are yours, you can say:

• Я сушу свои кроссовки. = I’m drying my own sneakers.
• Я сушу мои кроссовки. = possible, but usually less natural in ordinary speech

In many everyday situations, plain кроссовки is enough.

The stress is on the last syllable:

• сушу́

Roughly:

• су sounds like soo
• шу sounds like shoo

So it is approximately soo-SHOO, with the stress on the second part.

Also:

• кроссо́вки has stress on со
• балко́не has stress on ко
• дождя́ has stress on the last syllable

Stress is important in Russian, so it is worth learning these together with the words.

Yes, grammatically it could, because the Russian present tense can express both:

• a current action
• a habitual/repeated action

So Я сушу кроссовки на балконе после дождя could mean:

• I’m drying the sneakers on the balcony after the rain
  or
• I dry my sneakers on the balcony after it rains

In real life, context usually makes the intended meaning clear. Without additional context, the first reading — a current action — is probably the most natural.