אני רוצה להירשם לקורס חדש, אבל קודם אני צריכה לבדוק אם יש מנוי לחודש.

Because of צריכה. That is the feminine singular form of צריך / צריכה meaning need.

A male speaker would say:

אני רוצה להירשם לקורס חדש, אבל קודם אני צריך לבדוק אם יש מנוי לחודש.

Also, the first verb רוצה is feminine here too in pronunciation, but in normal Hebrew spelling it looks the same as the masculine form.

In unpointed Hebrew, some masculine and feminine forms are spelled the same even though they are pronounced differently.

So:

• רוֹצֶה = masculine singular = rotze
• רוֹצָה = feminine singular = rotza

Without vowel marks, both are written רוצה.

That is very common in Hebrew, so learners often have to figure out the gender from context.

Because ל- is the normal prefix used for the infinitive in Hebrew, similar to English to.

So:

• להירשם = to register / to sign up

Many Hebrew infinitives begin with ל:

• לבדוק = to check
• ללמוד = to study
• ללכת = to go

These are related, but they do not mean exactly the same thing.

• להירשם = to sign up / to register oneself
• לרשום = to register someone/something or to write down

So in this sentence, the speaker wants to sign up for a course personally, so להירשם is the natural choice.

This is a very common Hebrew pattern: one verb can mean do something, while a different binyan/form means get oneself involved in that action or be entered/registered.

Because Hebrew prepositions are usually attached directly to the following word.

So:

• ל = to / for
• קורס = course
• לקורס = to/for a course

This is normal Hebrew spelling. Very common short prepositions attach to nouns, such as:

• בבית = in a house / in the house
• מהחנות = from the store
• למורה = to the teacher

Because in Hebrew, adjectives usually come after the noun.

So:

• קורס חדש = a new course
• literally: course new

The adjective also has to agree with the noun in gender, number, and definiteness.

Here:

• קורס is masculine singular
• חדש is masculine singular

If it were definite, it would be:

• הקורס החדש = the new course

Hebrew has no indefinite article, so there is no separate word for a / an.

That means:

• קורס חדש can mean a new course
• מנוי לחודש can mean a one-month subscription or a subscription for a month

Hebrew does have a definite article, ה-, for the:

• קורס = a course / course
• הקורס = the course

Here קודם means first, before that, or earlier.

In this sentence:

• אבל קודם... = but first... / but before that...

It is a very common conversational word.

For example:

• קודם נאכל, ואז נצא. = First we’ll eat, and then we’ll go out.

Hebrew often repeats the subject pronoun in a new clause, especially after a word like אבל.

So:

• אני רוצה... אבל קודם אני צריכה...

This sounds natural and clear.

In English, repeating I is automatic, and Hebrew often does the same. Sometimes Hebrew can omit a pronoun, but here keeping אני makes the sentence smoother and more explicit.

Here אם means if in the sense of whether.

So:

• לבדוק אם יש... = to check if/whether there is...

This is how Hebrew usually introduces an indirect yes/no question.

A more formal alternative is האם, but אם is very common in everyday speech.

יש is the Hebrew way to say there is / there are.

So:

• יש מנוי לחודש = there is a one-month subscription
• more naturally in context: they offer a one-month subscription / a monthly pass is available

A useful pair to remember:

• יש = there is / there are
• אין = there is not / there are not

For example:

• יש זמן. = There is time.
• אין זמן. = There isn’t time.

מנוי usually means subscription, membership, or sometimes pass, depending on context.

So in this sentence, it probably means something like:

• a monthly subscription
• a one-month membership
• a pass for one month

The exact English translation depends on what kind of course or service is being discussed.

Literally, לחודש means for a month.

So מנוי לחודש most directly suggests:

• a subscription for one month
• a one-month subscription

In some contexts, English might translate it more loosely as a monthly subscription, but if you specifically want monthly as an adjective, Hebrew often uses:

• מנוי חודשי = monthly subscription

So לחודש emphasizes the duration, while חודשי emphasizes the type.

Yes. The main verbs רוצה and צריכה are in the present tense.

That is normal, because the speaker is talking about a current desire and a current need:

• I want now
• I need now

The actions themselves are expressed with infinitives:

• להירשם = to register
• לבדוק = to check

So the sentence is grammatically present tense, even though the registering and checking will happen afterward.