ラーメンを食（た）べに行（い）く。

サッカーをしに行（い）く。

日本語（にほんご）を勉強（べんきょう）しに行（い）きます。

公園（こうえん）へ遊（あそ）びに行（い）った。

本（ほん）を買（か）いに行（い）きます。

音楽（おんがく）を聴（き）きに行（い）く。

映画（えいが）を見（み）に行（い）った。

掃除（そうじ）をしに行（い）く。

切手（きって）を買（か）いに行（い）くのが好（す）き。

あの店（みせ）に、食（た）べに行（い）った。

お金（かね）を渡（わた）しに行（い）った。

自転車（じてんしゃ）でスーパーに買（か）い物（もの）をしに行（い）く。

切手（きって）を____のが好（す）き。

釣（つ）り____。

今（いま）からトレーニングをし____。

さっきあなたの友達（ともだち）が宿題（しゅくだい）を渡（わた）しに来（き）たよ。

あの店（みせ）に、____。

今夜（こんや）、____。[飲（の）む]

お金（かね）を____。

日本語（にほんご）を勉強（べんきょう）____。

掃除（そうじ）を____。

映画（えいが）を____。

公園（こうえん）へ____。

本（ほん）を____。

ラーメンを____。

サッカーを____。

自転車（じてんしゃ）でスーパーに買（か）い物（もの）を____。

音楽（おんがく）を____。

<div class='writeup-body'>に行（い）く is a grammar construction that is used when someone is going somewhere for the purpose of doing (A). (A) representing the verb that comes before に行（い）く. As with other uses of に, this particle is highlighting an end point or goal of 'going'. When using this structure, it will be important to remember that (A) will appear in its stem form, before に行（い）く gets attached to the end.<ul class='writeup-examples--holder'><li class='writeup-example'><div class='writeup-example--japanese'>釣（つ）りに行（い）く。</div><div class='writeup-example--english'>To go fishing. (Fishing is the purpose/goal of going)</div></li><li class='writeup-example'><div class='writeup-example--japanese'>今（いま）からトレーニングをしに行（い）きます。</div><div class='writeup-example--english'>I am going to go workout now. (Working out is the purpose/goal of going)</div></li></ul>This grammar point is regularly translated as 'to go in order to (A)'. If you have already 'gone' somewhere for the purpose of doing something, then you would use '(A) に来（き）た', while at the location.<ul class='writeup-examples--holder'><li class='writeup-example'><div class='writeup-example--japanese'>さっきあなたの友達（ともだち）が宿題（しゅくだい）を渡（わた）しに来（き）たよ。</div><div class='writeup-example--english'>Your friend came to hand in their homework earlier.</div></li></ul></div>

This little convenient chart is probably what should be in the grammar point itself, as I’m having lots of difficulties with it.
Thank you for creating it.

Dharlequin

I’ve been positively beating my head against this one until I remembered to check the little grammar discussion. There most definitely needs to be more elaboration on godan verbs needing to be conjugated from casual dictionary form to the polite form before you lop off the ます and add the に行く

Orb Crabmelt

Not godan specific conjugation explanation, but it does have something that tells you.
<div class="lightbox-wrapper"><a class="lightbox" href="https://community.bunpro.jp/uploads/default/original/3X/1/6/1603b167509fc0c1a2ae2043f9fe893ac192640c.jpeg" data-download-href="https://community.bunpro.jp/uploads/default/1603b167509fc0c1a2ae2043f9fe893ac192640c" title="Screenshot_20240301-203733"><img src="https://community.bunpro.jp/uploads/default/optimized/3X/1/6/1603b167509fc0c1a2ae2043f9fe893ac192640c_2_408x500.jpeg" alt="Screenshot_20240301-203733" data-base62-sha1="38KpP8ubOb7dewFW4XJuxMZOhGs" width="408" height="500" srcset="https://community.bunpro.jp/uploads/default/optimized/3X/1/6/1603b167509fc0c1a2ae2043f9fe893ac192640c_2_408x500.jpeg, https://community.bunpro.jp/uploads/default/optimized/3X/1/6/1603b167509fc0c1a2ae2043f9fe893ac192640c_2_612x750.jpeg 1.5x, https://community.bunpro.jp/uploads/default/optimized/3X/1/6/1603b167509fc0c1a2ae2043f9fe893ac192640c_2_816x1000.jpeg 2x" data-small-upload="https://community.bunpro.jp/uploads/default/optimized/3X/1/6/1603b167509fc0c1a2ae2043f9fe893ac192640c_2_10x10.png"><div class="meta">
<svg class="fa d-icon d-icon-far-image svg-icon" aria-hidden="true"><use xlink:href="#far-image"></use></svg>Screenshot_20240301-2037331439×1760 106 KB<svg class="fa d-icon d-icon-discourse-expand svg-icon" aria-hidden="true"><use xlink:href="#discourse-expand"></use></svg>
</div></a></div>
I could see how the explanation is a little lightweight though

Grammar Info

～に行(い)く

To go ~, To go in order to ~

Structure

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品詞

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About Verb + にいく

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「に行く」

Difference between へ and に

Stem Form Review

にいく and にくる

To go in order to ~

Go to do purpose / in order to

Offline

Genki I 2nd Edition

みんなの日本語 II

[DBJG] A Dictionary of Basic Japanese Grammar

Tae Kim's Japanese Grammar Guide

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Verb + にいく – Grammar Discussion