reply with a comment

I reply to the post.

私は投稿に返信を書きます

I read the question and reply to the post.

私は質問を読んで投稿に返信を書きます

I read the question and reply to the post this morning.

私は質問を読んで今日の午前中に投稿に返信を書きます

I read the question and reply to the post on my phone this morning.

私は質問を読んで今日の午前中に携帯電話で投稿に返信を書きます

I read the question and reply to the post on my phone for the first time this morning.

私は質問を読んで今日の午前中に携帯電話で投稿に初めて返信を書きます