Learn Hardcore Greek: Ναι, φαντάζομαι ότι τα καρότα θα είναι φθηνά σήμερα. - Yes, I imagine the carrots will be cheap today.

φαντάζομαι literally means I imagine / I suppose / I guess. In everyday Greek it’s very natural for making a mild assumption based on limited information, similar to I suppose (that)… or I’m guessing (that)….

Why is φαντάζομαι in the middle voice (-ομαι) instead of an active form?

Many Greek verbs that describe mental processes are commonly used in the middle/passive form. φαντάζομαι is the standard dictionary form meaning I imagine/suppose; there isn’t a common everyday active equivalent that would replace it here.

Is the subject I actually stated anywhere?

No. Greek often drops subject pronouns because the verb ending shows the person. φαντάζομαι already means (I) imagine/suppose, so εγώ isn’t needed unless you want emphasis: Ναι, εγώ φαντάζομαι ότι… (implying me, I suppose…).

Why do we need ότι? Could we use something else?

ότι introduces a content clause (a “that”-clause): I suppose that…
You can often also hear πως in similar contexts: φαντάζομαι πως… Both are common; ότι is a bit more neutral/standard.

How is ότι different from ό,τι?

ότι (no comma) = that (conjunction): φαντάζομαι ότι…
ό,τι (with comma) = whatever / anything that (pronoun): πάρε ό,τι θέλεις = take whatever you want.
They sound very similar, but the meaning and spelling differ.

Why is τα καρότα neuter plural, and why does it take τα?

καρότο is a neuter noun in Greek.

singular: το καρότο (the carrot)
plural: τα καρότα (the carrots)
Neuter plurals take the article τα in the nominative/accusative.

Does τα καρότα here mean specific carrots, or carrots in general?

It can be either depending on context, but very often it’s a generic use: carrots (as a product) will be cheap today—similar to English the carrots in a shopping context (meaning the item/category available today).

Why is the future formed with θα? Is it like a verb?

θα is a particle (not a verb) used to form the future in Modern Greek.
θα + verb = future (or future-like prediction). Here: θα είναι = will be.

What tense is θα είναι exactly?

It’s the future of είμαι (to be):

είμαι = I am
θα είμαι = I will be
θα είναι = he/she/it will be / they will be (here: “they” = the carrots)

Why is είναι 3rd person singular even though τα καρότα is plural?

In Modern Greek, neuter plural subjects very commonly take a singular verb, especially in everyday speech:
τα καρότα είναι φθηνά (very normal)
You may also encounter plural agreement in some contexts, but the singular is the default with neuter plurals.

Why is φθηνά plural? Shouldn’t it be singular if the verb is singular?

Adjectives agree with the noun, not with the verb form.
τα καρότα is neuter plural, so the adjective is neuter plural: φθηνά.
So even if the verb is singular (είναι), the adjective still matches the plural noun.

What’s the difference between φθηνά and φτηνά?

Both are used and mean cheap. φθηνά is the more traditional/standard spelling; φτηνά is a very common alternative spelling reflecting pronunciation. You’ll see both in real life.

Where does σήμερα usually go in the sentence? Is the position flexible?

Yes, it’s flexible. σήμερα can appear at the end (very common), earlier for emphasis, or even at the start:

…φθηνά σήμερα. (neutral)
…σήμερα θα είναι φθηνά. (slightly emphasizing “today”)
Σήμερα… (strong emphasis on “today”)

How would the sentence change if it were a question instead of a statement?

You could keep the same word order and change intonation, or add a question mark:
Ναι, φαντάζομαι ότι τα καρότα θα είναι φθηνά σήμερα;
To be more explicitly questioning, you might use: Λες να είναι φθηνά σήμερα τα καρότα; (Do you think the carrots might be cheap today?)

How do you pronounce the tricky parts (especially φαντάζομαι, καρότα, φθηνά)?

Approximate pronunciations (stress in CAPS):

φαντάζομαι = fa-DA-zo-me
καρότα = ka-RO-ta
φθηνά = fthi-NA (the cluster φθ is like fth; many speakers make it sound close to fth or simplify slightly in fast speech)