אולי נוכל להשיג שולחן ליד החלון אם נבוא מוקדם.

אולי means maybe or perhaps.

It often comes at the beginning of a sentence because it sets the tone for the whole statement:

• אולי נוכל... = Maybe we can...

It can sometimes appear in other positions too, but sentence-initial position is very common and natural.

נוכל is the future tense, first person plural form of יכול / יָכֹל, meaning to be able to.

So:

• נוכל = we will be able to / we can

In this sentence, future tense makes sense because the speaker is talking about a possible future situation.

In Hebrew, the verb itself usually already shows who the subject is.

So נוכל already means we will be able, and נבוא already means we will come.

Because of that, אנחנו is usually unnecessary unless you want emphasis or contrast.

• Natural: אולי נוכל להשיג...
• More emphatic: אולי אנחנו נוכל להשיג...

This is a very common Hebrew structure:

• נוכל = we will be able
• להשיג = to get / to obtain

Together:

• נוכל להשיג = we will be able to get

This is similar to English can get or be able to get.

After verbs like יכול, Hebrew normally uses an infinitive:

• יכול לבוא = can come
• יכול לעשות = can do
• יכול להשיג = can get

להשיג usually means to obtain, to get, to manage to get, or sometimes to achieve.

In this sentence, it means something like:

• get
• manage to get
• secure

So להשיג שולחן means to get a table, especially in the sense of successfully finding or securing one.

In a restaurant context, this sounds very natural.

Because להשיג focuses on managing to obtain something.

That fits the idea here: if we come early, maybe we can get/secure a table by the window.

By contrast, לקבל usually means to receive. That can work in some contexts, but here להשיג sounds more like successfully getting a desirable table.

So the nuance is:

• להשיג שולחן = manage to get a table
• לקבל שולחן = receive a table

Because את is normally used before a definite direct object.

Here, שולחן means a table, not the table, so it is indefinite.

That is why Hebrew says:

• להשיג שולחן = get a table

But if it were definite, you would use את:

• להשיג את השולחן = get the table

ליד means next to, by, or beside.

So:

• ליד החלון = by the window / next to the window

It is a prepositional phrase describing where the table is.

Because the sentence means by the window, not by a window.

• חלון = a window
• החלון = the window

So:

• ליד חלון = next to a window
• ליד החלון = next to the window

Also, notice that ליד is a separate preposition, so the ה stays attached to חלון.

This is an important difference between Hebrew and English.

In English, we usually say:

• if we come early

Even though it refers to the future, English uses the present tense after if.

In Hebrew, for a real future condition, it is very normal to use the future tense:

• אם נבוא מוקדם = if we come early

So Hebrew and English do not match word-for-word here in tense usage.

Yes, מוקדם is basically an adjective meaning early, but in Hebrew adjectives are often used adverbially too.

So:

• נבוא מוקדם = we’ll come early

This is very natural Hebrew.

You can think of it as functioning like an adverb here, even though its form is adjectival.

Yes. Hebrew can also put the if clause first:

• אם נבוא מוקדם, אולי נוכל להשיג שולחן ליד החלון.

This means the same thing.

The original version starts with the main idea maybe we can get a table..., and then gives the condition.
The reversed version starts with the condition if we come early....

Both are natural.