kare ha watasi wo mondai ni makikonda.

は marks 彼 as the topic of the sentence: as for him, he got me involved in a problem.

If you used が instead, the sentence would sound more like you are specifically identifying him as the person who did it:

• 彼は私を問題に巻き込んだ。 = He got me involved in a problem. / As for him, he got me involved...
• 彼が私を問題に巻き込んだ。 = He’s the one who got me involved in a problem.

So は is the more neutral topic-marking choice here.

Because 私 is the direct object of the verb 巻き込む.

The verb 巻き込む means to involve someone in something. In Japanese, the person being pulled in is marked with を:

• 私を = me
• 問題に = into a problem / in a problem
• 巻き込んだ = got involved / dragged in

So the structure is basically:

[person] を [situation] に 巻き込む
= to involve [person] in [situation]

Here, 問題に means in/into a problem.

The particle に marks the thing or situation that someone gets drawn into. With 巻き込む, に often marks the circumstance, trouble, event, or conflict involved:

• 事件に巻き込まれる = to get involved in an incident
• トラブルに巻き込まれる = to get caught up in trouble
• 問題に巻き込む = to involve someone in a problem

So に is not just a simple location marker here. It shows the situation that someone ends up in.

The dictionary form is 巻き込む (まきこむ).

巻き込んだ is the plain past form.

Conjugation:

• Dictionary form: 巻き込む
• Past plain: 巻き込んだ

This happens because 巻き込む is a godan verb ending in む, and verbs ending in む / ぶ / ぬ change to んだ in the plain past:

• 読む → 読んだ
• 遊ぶ → 遊んだ
• 死ぬ → 死んだ
• 巻き込む → 巻き込んだ

It is read まきこんだ.

Breakdown:

• 巻 = ま
• き
• 込 = こ
• んだ

So:

• 巻き込む = まきこむ
• 巻き込んだ = まきこんだ

It often has a stronger nuance than the English involve. It frequently suggests:

• being dragged into something
• becoming involved against one’s will
• getting caught up in something troublesome

So in many contexts, 巻き込む sounds negative:

• 彼は私を問題に巻き込んだ。 = He dragged me into a problem.
• He caused me to become part of something troublesome.

It is not usually a neutral include. For neutral inclusion, other verbs might be more natural depending on context.

It literally means problem, but in this sentence it can feel close to trouble, depending on context.

問題 is a broad word and can mean:

• a problem
• an issue
• a matter
• a troublesome situation

So 問題に巻き込んだ could suggest:

• involved me in a problem
• dragged me into trouble
• got me mixed up in an issue

The exact English wording depends on the situation.

Grammatically, yes. But in real conversation, Japanese often avoids pronouns when they are clear from context.

So while 彼は私を問題に巻き込んだ。 is perfectly understandable, in natural speech Japanese might instead use:

• the person’s name
• their role (部長, 先生, etc.)
• or simply leave the subject out if it is obvious

For example:

• 田中さんは私を問題に巻き込んだ。
• 私を問題に巻き込んだ。 if the subject is already understood

So 彼 is fine for study examples, but real Japanese often uses it less than English uses he.

The spaces are just for learning convenience. Normal Japanese is usually written without spaces:

彼は私を問題に巻き込んだ。

Textbooks and beginner materials sometimes add spaces to help learners see the parts of the sentence more clearly.

Yes, Japanese word order is more flexible than English, as long as the particles make the roles clear.

The standard order here is:

• 彼は = topic
• 私を = object
• 問題に = target situation
• 巻き込んだ = verb

But you could also say:

• 彼は問題に私を巻き込んだ。
• 私を彼は問題に巻き込んだ。

These are grammatical, though the emphasis changes slightly. In most cases, the most natural and straightforward version is the original: 彼は私を問題に巻き込んだ。

Japanese usually keeps the verb at the end, but the other parts can move around more freely than in English.

Normally, no.

With 巻き込む, に is the natural particle for the situation or event someone is drawn into:

• 事件に巻き込まれる
• 争いに巻き込まれる
• 問題に巻き込まれる

Why not the others?

• へ mainly marks direction toward something, and it sounds unnatural here.
• で marks the place of an action or the means by which something happens, so it does not fit this pattern.

So with this verb, に is the correct choice.

The sentence ends in 巻き込んだ, which is the plain past form. This style is common in:

• casual speech
• storytelling
• dictionary/example sentences
• written narration

The polite version would be:

彼は私を問題に巻き込みました。

Both mean the same thing, but the level of formality is different:

• 巻き込んだ = plain/casual
• 巻き込みました = polite

Yes, very often Japanese uses the passive for that idea:

私は問題に巻き込まれた。
= I got involved in a problem. / I got dragged into trouble.

This is a very common pattern because it focuses on the person affected, rather than on who caused it.

Compare:

• 彼は私を問題に巻き込んだ。 = He dragged me into a problem.
• 私は問題に巻き込まれた。 = I got dragged into a problem.

The first focuses on him as the doer. The second focuses on me as the person affected.