I forgot to lock the door when I left home this morning.（今天早上我离开家的时候忘记锁门了。）

She always forgets to bring her homework to school.（她总是忘记把作业带到学校。）

He forgot to turn off the lights before going to bed last night.（昨晚他睡觉前忘记关灯了。）

They forgot to buy some bread for breakfast.（他们忘记买些面包当早餐。）

We forgot to call him back after receiving his message.（收到他的消息后我们忘记给他回电话了。）

The driver forgot to fill up the gas tank before starting the long journey.（司机在开始长途旅行前忘记给油箱加油了。）

My mother forgot to take her umbrella when she went out in the rain.（下雨出门时我妈妈忘记带伞了。）

Tom forgot to set the alarm clock, so he was late for work today.（汤姆忘记设置闹钟，所以他今天上班迟到了。）

Lily forgot to water the plants, and some of them withered.（莉莉忘记给植物浇水，有些植物枯萎了。）

I often forget to clean my room on weekends.（我经常在周末忘记打扫我的房间。）

He forgot to send an email to his boss as required.（他忘记按要求给老板发一封邮件。）

She forgot to put on sunscreen before going to the beach, and got sunburnt.（去海滩前她忘记涂防晒霜，结果晒伤了。）

They forgot to reserve a table at the restaurant, so they had to wait for a long time.（他们忘记在餐厅预订桌子，所以不得不等很长时间。）

We forgot to bring our cameras when we went to the beautiful park.（我们去那个美丽的公园时忘记带相机了。）

The student forgot to hand in his assignment on time.（这个学生忘记按时交作业了。）

My father forgot to pick me up from school because he was too busy.（我爸爸因为太忙忘记去学校接我。）

She forgot to renew her library books and got fined.（她忘记续借图书馆的书，结果被罚款了。）

He forgot to charge his phone, and it ran out of power during the important call.（他忘记给手机充电，在重要通话时手机没电了。）

They forgot to close the window when the wind blew strongly, and the papers flew everywhere.（大风刮起时他们忘记关窗户，文件飞得到处都是。）

I forgot to take my medicine this morning according to the doctor's instructions.（今天早上我忘记按照医生的嘱咐吃药了。）