I forgot to close the window.

我忘了去关窗。

youdao

I forgot to close the window yesterday.

昨天我忘记了关窗户。

youdao

I forgot to close the window last night.

我昨天忘记关窗户了。

youdao

I forgot to close the window last night.

我昨天忘记关窗户了。

youdao