我本来打算去帮忙，但没有及时赶到那里。

I had wanted to help but could not get there in time.

youdao

我本来打算去听演讲，可是没料到有人来拜访我。

I was to have listened to the speech, but someone unexpected came to visit me.

youdao

我昨晚本来打算去你家。

I intended to go to your house last night.

youdao

我昨晚本来打算去你家。

I intended to go to your house last night.

youdao