I never work on the weekend.

・"weekend"には"on"が使われる。

[正]I never work on the weekend.
[誤]I never work at the weekend.
[正]I only see him on weekends.
[誤]I only see him at weekends.

・"weekend"の前に"following"、"next"、"coming"などの形容詞が来ると、"on"が省略されることがある。

[正]I will be here the following weekend.
[正]I will be here on the following weekend.

・文脈によっては"weekend"に対して、"over"、"during"、"for"などの前置詞が使われることがある。

[正]Tom has been sick over the weekend

・イギリス英語においては、"weekend"には"at"が使われる。

[誤]I never work on the weekend.
[英]I never work at the weekend.
[誤]I only see him on weekends.
[英]I only see him at weekends.

[英]I will be here the following weekend.
[英]I will be here at the following weekend.

[英]Tom has been ill over the weekend

I never work on the weekend.の関連項目