The Future Tense: Three Routes

The Ukrainian future is built in three different ways, and which one you use is decided entirely by aspect. That sounds like more to learn than it is, because the three routes split cleanly into two camps: one route for perfective verbs (a single completed result) and two interchangeable routes for imperfective verbs (an ongoing or repeated action). This page maps the whole system on a single screen, shows all three forms for one verb so you can compare them directly, and flags the one route — the synthetic future in -му — that is a signature of native Ukrainian and has no Russian counterpart at all. The two formation pages (synthetic, analytic) drill each form in detail; this page is the overview that ties them together.

The whole system on one line

For the pair чита́ти (imperfective) / прочита́ти (perfective), here is every future Ukrainian can build:

So "I will read" is three different Ukrainian sentences depending on what you mean and which form you reach for: прочита́ю if you mean to finish a particular book, or — for ongoing reading with no endpoint in view — either бу́ду чита́ти or чита́тиму, which mean exactly the same thing. The live choice is therefore: perfective (route 1) vs imperfective (routes 2 and 3, your pick).

Route 1 — the perfective simple future (прочита́ю)

A perfective verb has no present — when you put present-tense endings on a perfective stem, the result means the future. That is the perfective simple future: a single, one-word form for an action you will complete. There is nothing extra to build; the conjugation is just the present-tense endings on the perfective stem.

Route 2 — the analytic (compound) future (бу́ду чита́ти)

For an imperfective verb, one way to make the future is analytic: conjugate the future of бу́ти — бу́ду, бу́деш, бу́де, бу́демо, бу́дете, бу́дуть — and follow it with the imperfective infinitive, unchanged.

Note that бу́ду here is the future of бу́ти ("to be"), not its present — бу́ти has no present form of its own in the modern language. On its own, бу́ду means "I will be" (Я бу́ду вдо́ма — "I'll be home"); with an imperfective infinitive after it, the whole thing means "I will be V-ing." Full detail is on the analytic future page.

Route 3 — the synthetic (simple) future (чита́тиму)

Here is the form that makes Ukrainian different. For the same imperfective verb, you can fuse a set of enclitic endings — -му, -меш, -ме, -мемо, -мете, -муть — directly onto the full infinitive (the -ти stays put). The result is a one-word imperfective future.

These endings are a worn-down, fused form of the old verb "to have" (я́ти) that stuck to the infinitive centuries ago — which is why they look like nothing else in the verb system. The form is drilled fully on the synthetic future page. The crucial fact for the overview: чита́тиму means exactly the same as бу́ду чита́ти. The two are fully interchangeable; the choice is stylistic, with the synthetic form being a touch more compact and very common in confident, natural speech.

The two imperfective futures are interchangeable

This is worth stating plainly because learners often suspect a hidden meaning difference: there is none. бу́ду чита́ти and чита́тиму are two ways of saying one thing. Both are the imperfective future; both mean ongoing or repeated future action. Use whichever you like — and recognise both instantly when you hear them.

The hard rule: бу́ду never takes a perfective

Routes 2 and 3 are imperfective-only. бу́ду combines only with an imperfective infinitive, so there is no бу́ду прочита́ти, no бу́ду написа́ти. And the -му enclitic likewise attaches only to imperfectives, so there is no прочита́тиму. The moment you mean to *complete an action, you drop both of these and use the one-word perfective (route 1) instead.

The deeper logic — why each aspect has the futures it does — is on aspect in the future.

Source-language comparison

For an English speaker, the headline is that English "will read" hides a choice Ukrainian forces you to make: completion (прочита́ю) vs ongoing action (бу́ду чита́ти / чита́тиму). Lean on the English contrast "I'll get it read" (perfective) vs "I'll be reading" (imperfective) — it maps surprisingly well. The genuinely new thing is route 3: a one-word imperfective future has no English parallel, and you simply have to learn the -му/-меш endings as a fresh paradigm. The good news is that once learned it is fully optional — you can always fall back on бу́ду + infinitive, which English-speaking intuition handles easily.

For a Russian speaker, routes 1 and 2 transfer directly: perfective = simple future, imperfective = бу́ду + infinitive, work just as in Russian. But route 3 — the synthetic чита́тиму — does not exist in Russian at all. It is one of the clearest dividing lines between the two languages. Russian has only бу́ду чита́ть; Ukrainian adds чита́тиму as a fully equivalent, very common alternative. Mastering the -му future is one of the quickest ways to stop sounding like a Russian speaker reading Ukrainian off the page.

Common Mistakes

Key Takeaways

• Three routes, decided by aspect. Perfective → route 1, the one-word simple future (прочита́ю). Imperfective → route 2 (бу́ду чита́ти) or route 3 (чита́тиму), your choice.
• The perfective simple future looks present (same endings as чита́ю) but means the future, because perfectives have no present.
• The two imperfective futures are interchangeable: бу́ду чита́ти = чита́тиму. Choice is stylistic.
• Route 3, the synthetic -му future, is uniquely Ukrainian and absent in Russian — learning it is a hallmark of native-sounding Ukrainian.
• бу́ду never takes a perfective (бу́ду прочита́ти) and *-му never attaches to a perfective (*прочита́тиму); for a finished result, use the perfective simple future.