Чи можна додати цукор до чаю?

Чи is a particle used to mark a yes/no question. It does not translate neatly as a separate English word here; it simply signals that the speaker is asking something like Is it possible...? or Can one...?

In everyday speech, Ukrainians often omit it if the intonation already makes the sentence clearly a question:

Можна додати цукор до чаю?

That is still perfectly natural.

Можна is an impersonal modal word meaning something like:

• it is possible
• it is allowed
• one may
• can one...?

So Чи можна додати цукор до чаю? can mean different things depending on context:

• Is it possible to add sugar to tea?
• Is it okay to add sugar to the tea?
• May I add sugar to the tea?

It is more general and less personal than a form like можу.

Ukrainian often leaves the subject unstated when using можна. The sentence is deliberately impersonal.

That makes it useful for polite, general questions such as:

• Is it okay to add sugar?
• May one add sugar?
• Can I add sugar? — if the context makes it clear that I am the one asking

If you want to make I explicit, you can say:

Чи можу я додати цукор до чаю?
= Can I / May I add sugar to the tea?

After можна, Ukrainian normally uses the infinitive of the main verb.

So the pattern is:

можна + infinitive

Examples:

• Можна зайти? = May I come in?
• Можна взяти це? = Can I take this?
• Чи можна додати цукор до чаю?

So додати is in the infinitive because it is the action that is being asked about after можна.

This is a question of aspect.

• додати = perfective
• додавати = imperfective

Here, додати is used because the speaker is asking about one complete action: adding sugar once.

So the sentence means something like: Is it okay to add sugar?
as a single act.

If you used додавати, it would sound more like:

• adding sugar in general
• adding sugar repeatedly
• a habitual practice

For example:

Чи можна додавати цукор до чаю?
= Is it okay to add sugar to tea? / Can people add sugar to tea? in a more general sense

Цукор is the direct object of додати, so it is in the accusative case.

However, for many masculine inanimate nouns in Ukrainian, the accusative singular looks exactly the same as the nominative singular.

So:

• nominative: цукор
• accusative: цукор

That is why the form does not change.

Because the preposition до requires the genitive case.

The noun чай changes to its genitive singular form:

• nominative: чай
• genitive: чаю

So:

• до чаю = to the tea / into the tea in this context

This is a standard pattern with додати:

додати щось до чогось
= to add something to something

Sometimes yes, but it depends on the verb.

With додати, the most standard pattern is:

додати цукор до чаю

If you use verbs like put or pour, then в чай becomes more natural:

• покласти цукор в чай = put sugar into tea
• насипати цукор в чай = pour sugar into tea

So the original sentence sounds natural because додати usually goes with до + genitive.

Yes. Ukrainian word order is more flexible than English because the cases show the grammatical roles.

The original sentence is a neutral, natural order:

Чи можна додати цукор до чаю?

But these are also possible:

• Чи можна до чаю додати цукор?
• Цукор можна додати до чаю?

The meaning stays very similar, but the focus changes slightly. The original version is the safest and most neutral for learners.

Ukrainian has no articles, so there is no direct equivalent of a or the.

That means цукор can mean:

• sugar
• the sugar
• sometimes even some sugar

And до чаю can mean:

• to tea
• to the tea

The exact meaning comes from the context, not from an article.

A short natural answer would be:

• Так, можна. = Yes, you can. / Yes, it’s allowed.
• Ні, не можна. = No, you can’t. / No, it isn’t allowed.

If you want to be more specific, you could say:

• Так, можна додати цукор.
• Ні, цукор додавати не можна.