lock

I lock the front door.

私は玄関の扉に鍵をかけます

I never fail to lock the front door.

私は玄関の扉に必ず鍵をかけます

I never fail to lock the front door at home.

私は家で玄関の扉に必ず鍵をかけます

I never fail to lock the front door at home at night.

私は夜に家で玄関の扉に必ず鍵をかけます

I never fail to lock the front door at home at night with my mother.

私は母と夜に家で玄関の扉に必ず鍵をかけます