開く
ひらく
to open; to hold (an event)
Hiraku (開く) is a godan verb meaning "to open". Its polite form is 開きます (hirakimasu), its te form is 開いて (hiraite), its past form is 開いた (hiraita), and its negative form is 開かない (hirakanai).
Godan verbJLPT N4
Hiraku (開く) conjugation quick reference
開く means "to open". Its main forms are listed below, with links to the grammar pattern behind each form.
Hiraku example sentences
ドアがひらきます。
The door opens.
きのう、パーティーをひらきました。
I held a party yesterday.
あしたは店がひらきません。
The shop will not open tomorrow.
How to use Hiraku: grammar notes
•When something opens by itself (like a door or a shop), use 開く with the subject marked by が — for example, ドアが開く (The door opens).
•To say you're holding an event like a party or a meeting, use 開く with を to mark what you're holding — for example, パーティーを開く (to hold a party).
•Don’t confuse 開く (あく or ひらく) with 開ける (あける); 開く is often used for things that open on their own or for events, while 開ける is used when someone actively opens something.
•JLPT N4 level
Common phrases with Hiraku
ドアが開く（ドアがひらく）
The door opens
会議を開く（かいぎをひらく）
To hold a meeting
店を開く（みせをひらく）
To open a store/shop
Hiraku (開く) conjugation table
| Form | Japanese | Romaji |
|---|---|---|
| Basic Forms | ||
| Dictionary Form | 開く | hiraku |
| Masu Form | 開きます | hirakimasu |
| Te Form | 開いて | hiraite |
| Past Form | 開いた | hiraita |
| Negative Form | 開かない | hirakanai |
| Past Negative | 開かなかった | hirakanakatta |
| Polite Forms | ||
| Polite Present | 開きます | hirakimasu |
| Polite Past | 開きました | hirakimashita |
| Polite Negative | 開きません | hirakimasen |
| Polite Past Negative | 開きませんでした | hirakimasendeshita |
| Advanced Forms | ||
| Potential Form | 開ける | hirakeru |
| Passive Form | 開かれる | hirakareru |
| Causative Form | 開かせる | hirakaseru |
| Causative Passive | 開かされる | hirakasareru |
| Volitional Form | 開こう | hirakou |
| Imperative Form | 開け | hirake |
| Conditional Forms | ||
| Conditional (ば) | 開けば | hirakeba |
| Conditional (たら) | 開いたら | hiraitara |
| Other Forms | ||
| Progressive Form | 開いている | hiraiteiru |
| Desire (たい) | 開きたい | hirakitai |
| Prohibition | 開くな | hirakuna |