全文 The whole set, with pinyin and English
一、连词成句 Put the words in order
过马路的时候，我们要先看左右两边。
guò mǎ lù de shí hòu wǒ men yào xiān kàn zuǒ yòu liǎng biān
When crossing the road, we must look both left and right first.
陌生人给的东西，千万不要吃。
mò shēng rén gěi de dōng xi qiān wàn bú yào chī
Never eat anything a stranger gives you.
听到火警铃声，大家要马上离开课室。
tīng dào huǒ jǐng líng shēng dà jiā yào mǎ shàng lí kāi kè shì
When you hear the fire alarm, everyone must leave the classroom at once.
游泳的时候，一定要有大人陪着。
yóu yǒng de shí hòu yí dìng yào yǒu dà ren péi zhe
When you swim, a grown-up must always be with you.
我们要走斑马线过马路。
wǒ men yào zǒu bān mǎ xiàn guò mǎ lù
We must cross the road at the zebra crossing.
如果迷路了，就去找警察帮忙。
rú guǒ mí lù le jiù qù zhǎo jǐng chá bāng máng
If you get lost, go and ask a police officer for help.
妈妈不在的时候，我不给陌生人开门。
mā ma bú zài de shí hòu wǒ bù gěi mò shēng rén kāi mén
When Mum is not at home, I don't open the door to strangers.
下雨天地很滑，走路要小心。
xià yǔ tiān dì hěn huá zǒu lù yào xiǎo xīn
On rainy days the ground is slippery, so walk carefully.
我们不可以在楼梯上追来追去。
wǒ men bù kě yǐ zài lóu tī shàng zhuī lái zhuī qù
We must not chase each other on the stairs.
用剪刀的时候，要小心不要剪到手。
yòng jiǎn dāo de shí hòu yào xiǎo xīn bú yào jiǎn dào shǒu
When using scissors, be careful not to cut your hand.
坐车的时候，一定要系好安全带。
zuò chē de shí hòu yí dìng yào jì hǎo ān quán dài
When riding in a car, always fasten your seat belt.
二、完成句子 Fill in the blank
过马路要走斑马线。
guò mǎ lù yào zǒu bān mǎ xiàn
Cross the road at the zebra crossing.
💡 The safe place to cross is the zebra crossing (斑马线).
看到红灯，我们要停下来。
kàn dào hóng dēng wǒ men yào tíng xià lái
When we see a red light, we must stop.
💡 Red means stop: 停下来.
陌生人叫你跟他走，你千万不要去。
mò shēng rén jiào nǐ gēn tā zǒu nǐ qiān wàn bú yào qù
If a stranger tells you to go with him, never go.
💡 千万不要 is the strong "never ever"; 常常 (often) and 有时 (sometimes) would make it unsafe.
听到火警铃声，要跟着老师安静地离开。
tīng dào huǒ jǐng líng shēng yào gēn zhe lǎo shī ān jìng de lí kāi
When the fire alarm rings, follow the teacher out quietly.
💡 In a fire drill we leave quietly (安静地) so everyone can hear the teacher.
游泳的时候，一定要有大人陪着。
yóu yǒng de shí hòu yí dìng yào yǒu dà ren péi zhe
When swimming, there must be a grown-up with you.
💡 A grown-up (大人) must always be with children in the water.
如果你在商场里走失了，就去找工作人员。
rú guǒ nǐ zài shāng chǎng lǐ zǒu shī le jiù qù zhǎo gōng zuò rén yuán
If you get lost in a shopping mall, go and find a staff member.
💡 就 (then) follows 如果 (if): 如果……就…….
地上有水，很滑，要小心走。
dì shàng yǒu shuǐ hěn huá yào xiǎo xīn zǒu
There is water on the floor; it is very slippery, so walk carefully.
💡 A wet floor is slippery (滑).
坐车的时候，要系好安全带。
zuò chē de shí hòu yào jì hǎo ān quán dài
When riding in a car, fasten your seat belt.
💡 In a car we fasten (系好) the seat belt (安全带).
我们不可以用湿的手去摸插头。
wǒ men bù kě yǐ yòng shī de shǒu qù mō chā tóu
We must never touch a plug with wet hands.
💡 Touching (摸) a plug with wet hands can give an electric shock.
放学后，如果妈妈还没来，我就在校门口等她。
fàng xué hòu rú guǒ mā ma hái méi lái wǒ jiù zài xiào mén kǒu děng tā
After school, if Mum hasn't come yet, I wait for her at the school gate.
💡 Wait at the school gate (校门口), where the teachers can see you, not on the road.
小明在楼梯上跑来跑去，不小心摔倒了。
xiǎo míng zài lóu tī shàng pǎo lái pǎo qù bù xiǎo xīn shuāi dǎo le
Xiaoming ran around on the stairs and fell over by accident.
💡 Running around (跑来跑去) on the stairs is what makes you fall; walking slowly and holding the handrail keep you safe.
三、改病句 Correct the sentence
病句：过马路的时候，我们要先跑过去再看车。
guò mǎ lù de shí hòu wǒ men yào xiān pǎo guò qù zài kàn chē
When crossing the road, we must run across first and then look for cars.
改正：过马路的时候，我们要先看车再走过去。
guò mǎ lù de shí hòu wǒ men yào xiān kàn chē zài zǒu guò qù
When crossing the road, we must look for cars first and then walk across.
💡 Look first (先看车), then walk across (再走过去).
病句：如果迷路了，才去找警察帮忙。
rú guǒ mí lù le cái qù zhǎo jǐng chá bāng máng
If you get lost, only then (wrong word) ask a police officer.
改正：如果迷路了，就去找警察帮忙。
rú guǒ mí lù le jiù qù zhǎo jǐng chá bāng máng
If you get lost, go and ask a police officer for help.
💡 如果 (if) pairs with 就 (then), not 才.
病句：陌生人给的糖果，我们可以吃。
mò shēng rén gěi de táng guǒ wǒ men kě yǐ chī
We may eat sweets that a stranger gives us.
改正：陌生人给的糖果，我们不可以吃。
mò shēng rén gěi de táng guǒ wǒ men bù kě yǐ chī
We must not eat sweets that a stranger gives us.
💡 Never take food from a stranger: 不可以吃.
病句：游泳的时候，一定要没有大人陪着。
yóu yǒng de shí hòu yí dìng yào méi yǒu dà ren péi zhe
When swimming, there must be no grown-up with you.
改正：游泳的时候，一定要有大人陪着。
yóu yǒng de shí hòu yí dìng yào yǒu dà ren péi zhe
When swimming, a grown-up must always be with you.
💡 A grown-up must be with you: 一定要有大人陪着.
病句：听到火警铃声，我们要坐电梯下楼。
tīng dào huǒ jǐng líng shēng wǒ men yào zuò diàn tī xià lóu
When the fire alarm rings, we must take the lift down.
改正：听到火警铃声，我们要走楼梯下楼。
tīng dào huǒ jǐng líng shēng wǒ men yào zǒu lóu tī xià lóu
When the fire alarm rings, we must take the stairs down.
💡 Never use the lift in a fire: take the stairs.
病句：下雨天地很滑，走路要小心地。
xià yǔ tiān dì hěn huá zǒu lù yào xiǎo xīn de
On rainy days the ground is slippery; walk carefully (with an extra 地).
改正：下雨天地很滑，走路要小心。
xià yǔ tiān dì hěn huá zǒu lù yào xiǎo xīn
On rainy days the ground is slippery, so walk carefully.
💡 地 must be followed by an action; here 小心 ends the sentence, so there is no 地.
病句：我一个人在家，给陌生人开了门，很安全。
wǒ yí gè rén zài jiā gěi mò shēng rén kāi le mén hěn ān quán
Home alone, I opened the door to a stranger, which was very safe.
改正：我一个人在家，不给陌生人开门，很安全。
wǒ yí gè rén zài jiā bù gěi mò shēng rén kāi mén hěn ān quán
Home alone, I don't open the door to strangers, so I stay safe.
💡 Opening the door to a stranger is not safe; the safe thing is not to (不给陌生人开门).
四、扩句 Make the sentence longer
我们过马路。
wǒ men guò mǎ lù
We cross the road.
怎么过？：我们走斑马线过马路。
wǒ men zǒu bān mǎ xiàn guò mǎ lù
We cross the road at the zebra crossing.
什么时候？：放学后，我们走斑马线过马路。
fàng xué hòu wǒ men zǒu bān mǎ xiàn guò mǎ lù
After school, we cross the road at the zebra crossing.
过马路以前要做什么？：放学后，我们看清楚左右两边没有车，才走斑马线过马路。
fàng xué hòu wǒ men kàn qīng chǔ zuǒ yòu liǎng biān méi yǒu chē cái zǒu bān mǎ xiàn guò mǎ lù
After school, we make sure there are no cars on either side before crossing at the zebra crossing.
大家离开课室。
dà jiā lí kāi kè shì
Everyone leaves the classroom.
怎么样离开？：大家排好队离开课室。
dà jiā pái hǎo duì lí kāi kè shì
Everyone lines up and leaves the classroom.
什么时候？：听到火警铃声，大家排好队离开课室。
tīng dào huǒ jǐng líng shēng dà jiā pái hǎo duì lí kāi kè shì
When the fire alarm rings, everyone lines up and leaves the classroom.
怎么样？：听到火警铃声，大家马上排好队，安静地离开课室。
tīng dào huǒ jǐng líng shēng dà jiā mǎ shàng pái hǎo duì ān jìng de lí kāi kè shì
When the fire alarm rings, everyone lines up at once and leaves the classroom quietly.
五、造句 Make a sentence
千万不要 qiān wàn bú yào · never, ever
千万不要在马路上玩。
qiān wàn bú yào zài mǎ lù shang wán
Never play on the road.
你千万不要跟陌生人走。
nǐ qiān wàn bú yào gēn mò shēng rén zǒu
Never go off with a stranger.
一定要 yí dìng yào · must always
坐车的时候，一定要系好安全带。
zuò chē de shí hòu yí dìng yào jì hǎo ān quán dài
When riding in a car, always fasten your seat belt.
游泳的时候，一定要有大人陪着。
yóu yǒng de shí hòu yí dìng yào yǒu dà ren péi zhe
When swimming, always have a grown-up with you.
小心 xiǎo xīn · careful; watch out
地上有水，走路要小心。
dì shàng yǒu shuǐ zǒu lù yào xiǎo xīn
There is water on the floor, so walk carefully.
过马路的时候，要小心车子。
guò mǎ lù de shí hòu yào xiǎo xīn chē zi
Watch out for cars when you cross the road.
六、仿写 Write on the pattern
例句：过马路的时候，我们要走斑马线。
guò mǎ lù de shí hòu wǒ men yào zǒu bān mǎ xiàn
When crossing the road, we must use the zebra crossing.
……的时候，我们要……。
游泳的时候，我们要有大人陪着。
yóu yǒng de shí hòu wǒ men yào yǒu dà ren péi zhe
When swimming, we must have a grown-up with us.
坐车的时候，我们要系好安全带。
zuò chē de shí hòu wǒ men yào jì hǎo ān quán dài
When riding in a car, we must fasten our seat belts.
例句：陌生人给的东西，千万不要吃。
mò shēng rén gěi de dōng xi qiān wàn bú yào chī
Never eat anything a stranger gives you.
……，千万不要……。
插头很危险，千万不要用湿手摸。
chā tóu hěn wēi xiǎn qiān wàn bú yào yòng shī shǒu mō
Plugs are dangerous; never touch them with wet hands.
楼梯很高，千万不要在上面跑。
lóu tī hěn gāo qiān wàn bú yào zài shàng miàn pǎo
The stairs are high; never run on them.