wǒ fāxiàn kǒudai lǐ yǒu qián.

In Chinese, words like 里, 上, and 下 are often localizers. They come after the noun.

So:

• 口袋 = pocket
• 口袋里 = in the pocket / inside the pocket

This is different from English, where in comes before the noun.

There is no 的 because 里 is not working like a normal descriptive modifier. It is part of a very common noun + localizer pattern:

• 桌子上 = on the table
• 房间里 = in the room
• 口袋里 = in the pocket

So 口袋里 is the natural way to say in the pocket.

Here, 有 means there is / there are.

Chinese often uses this pattern:

place + 有 + thing

So:

• 口袋里有钱 = there is money in the pocket

Even though 有 can also mean have, in this sentence it is being used for existence, not possession.

Compare:

• 我有钱 = I have money
• 口袋里有钱 = There is money in the pocket

Because this is an existence sentence.

The structure is:

location + 有 + noun

Chinese does not need a separate dummy subject like English there.

So English says:

• There is money in the pocket

But Chinese says more literally:

• In the pocket has money

That is why 口袋里有钱 is perfectly normal Chinese.

Usually, no.

In an existence sentence with 有, the location often appears directly before 有:

• 口袋里有钱
• 桌子上有一本书
• 房间里有人

This is the standard pattern.

If you add 在, it can sound less neutral or less natural in a simple sentence like this. So learners should usually remember:

place + 有 + thing

not normally

在 + place + 有 + thing

Yes, you can think of it that way.

In English, we often say:

• I discovered that there was money in the pocket

In Chinese, verbs like 发现, 知道, 觉得, and 希望 can be followed directly by a clause, without a separate word for that.

So:

• 我发现口袋里有钱

naturally means:

• I discovered that there was money in the pocket

Chinese often leaves this kind of connector unstated.

发现 means discover, notice, or find out. It often suggests that you become aware of something, sometimes unexpectedly.

So 我发现口袋里有钱 means you realized or discovered that there was money in the pocket.

Compare:

• 发现 = discover / notice / realize
• 看见 = see with your eyes
• 找到 = find something you were looking for

Examples:

• 我发现口袋里有钱 = I discovered there was money in the pocket
• 我看见口袋里有钱 = I saw that there was money in the pocket
• 我找到钱了 = I found the money

So 发现 is a good choice if the point is the realization, not just visual seeing or successful searching.

Not necessarily.

口袋 by itself just means pocket. The owner is not stated.

So 我发现口袋里有钱 means:

• I discovered there was money in the pocket

Depending on context, it might be understood as my pocket, but the Chinese sentence itself does not explicitly say that.

If you want to be clear, you can say:

• 我发现我的口袋里有钱 = I discovered there was money in my pocket

Because 钱 here is being used as a general, uncountable idea: money.

In Chinese, general mass nouns often do not need a measure word in this kind of sentence.

So:

• 口袋里有钱 = There is money in the pocket

If you want to be more specific, you can add an amount or a quantity expression:

• 口袋里有一些钱 = There is some money in the pocket
• 口袋里有三块钱 = There are three yuan in the pocket
• 口袋里有一笔钱 = There is a sum of money in the pocket

口袋 is pronounced kǒudai.

The second syllable, 袋, is often pronounced in a neutral tone here, so it is written dai rather than dài in many learning materials.

That means:

• 口 = third tone, kǒu
• 袋 = usually neutral here, dai

So it sounds roughly like:

• kǒu-dai

This is common in everyday Mandarin for certain two-syllable words.

There are two different things you might want to negate:

1. Negate discover
2. Negate there is money

If you want to say I didn't discover that there was money in the pocket, say:

• 我没发现口袋里有钱

If you want to say I discovered that there wasn't money in the pocket, say:

• 我发现口袋里没有钱

So:

• 没发现 = did not discover
• 没有钱 = there is no money

This is an important difference.

Yes, you could, but the focus changes.

• 我发现口袋里有钱 focuses on the existence of money in the pocket.
• 我发现钱在口袋里 focuses on the location of some already relevant money.

A helpful way to think about it:

• 口袋里有钱 = There is money in the pocket
• 钱在口袋里 = The money is in the pocket

So if you are simply discovering that the pocket contains money, 我发现口袋里有钱 is the more natural sentence.

If the money is already known and you are discovering where it is, 我发现钱在口袋里 works well.