יש לי מחשבה חדשה.

Modern Hebrew usually does not use a normal verb for to have in simple present-tense sentences.

So instead of saying I have a new thought with a verb like English does, Hebrew says something more like:

יש לי מחשבה חדשה
Literally: There is to me a new thought

• יש = there is / there exists
• לי = to me / for me

Together, יש לי is the standard way to say I have.

יש means there is or there exists.

Examples:

• יש מים = There is water
• יש זמן = There is time
• יש לי מחשבה חדשה = I have a new thought

It is an existential word, not a regular verb in the same way English uses have.

לי means to me.

It is made from:

• ל־ = to
• י = me

So:

• לי = to me
• לך = to you (masculine)
• לך = to you (feminine, pronounced differently in full speech context)
• לו = to him
• לה = to her

In יש לי, the phrase literally means there is to me, which Hebrew uses for I have.

In Hebrew, adjectives normally come after the noun they describe.

So:

• מחשבה חדשה = a new thought

This is the normal Hebrew order:

• noun + adjective

More examples:

• ספר חדש = a new book
• ילדה קטנה = a small girl
• מכונית מהירה = a fast car

Because מחשבה is a feminine singular noun, the adjective has to match it in gender and number.

• מחשבה = thought, feminine singular
• חדשה = new, feminine singular

Compare:

• רעיון חדש = a new idea (רעיון is masculine)
• מחשבה חדשה = a new thought (מחשבה is feminine)

This matching is called agreement.

A very common clue is the ending ־ה. Many Hebrew nouns ending in ־ה are feminine, and מחשבה is one of them.

Because it is feminine singular, its adjective must also be feminine singular:

• מחשבה חדשה

That said, the ־ה ending is only a clue, not a perfect rule. Some nouns do not follow the pattern, so gender often has to be learned with the word.

It is pronounced approximately:

yesh li makh-sha-VA kha-da-SHA

A more careful breakdown:

• יש = yesh
• לי = lee
• מחשבה = makh-sha-VA
• חדשה = kha-da-SHA

Notes:

• The kh sound in מחשבה and חדשה is like the ch in German Bach or Scottish loch, not like English chair.
• The stress is usually on the last syllable in מחשבה and חדשה.

By itself, מחשבה חדשה means a new thought, not the new thought.

That is because there is no definite article here.

Hebrew uses ה־ for the:

• מחשבה חדשה = a new thought
• המחשבה החדשה = the new thought

Notice that when the noun is definite, the adjective becomes definite too:

• המחשבה החדשה

Yes, but יש לי מחשבה חדשה is the most natural neutral order.

This order is:

• יש לי = I have
• מחשבה חדשה = a new thought

Hebrew can sometimes move things around for emphasis, but learners should treat יש לי מחשבה חדשה as the standard form.

For example, you might hear:

• מחשבה חדשה יש לי

But that sounds marked or emphatic, something like A new thought is what I have.

You replace יש with אין:

• אין לי מחשבה חדשה = I do not have a new thought

This is very common in Hebrew:

• יש לי = I have
• אין לי = I do not have

Examples:

• יש לי זמן = I have time
• אין לי זמן = I do not have time

Yes, often you could, but the nuance is a little different.

• מחשבה = thought
• רעיון = idea

So:

• יש לי מחשבה חדשה = I have a new thought
• יש לי רעיון חדש = I have a new idea

In many contexts they are close, but רעיון often sounds more like an idea, suggestion, or concept, while מחשבה is more literally a thought.

Yes. יש לי מחשבה חדשה expresses a present-time meaning: I have a new thought.

Hebrew does not change יש for person in the present:

• יש לי = I have
• יש לך = you have
• יש לו = he has
• יש לה = she has

So the person is shown by the word after יש, not by changing יש itself.