(1)本句为询问某事情况的常用句型,其中was是be动词的过去式,如果询问当前的情况则be动词用is。其答语常用:It was great! (好极了) / It was OK.(还可以)/ It wasn’t good.(不好。)/ All right.(很好。)/ It was not bad.(还不错。)等。How + be+…?相当于 What + be +… + like? 例如:
-Yes, she did. / No, she didn’t. 是的,她上床睡觉了。/不,她没有上床睡觉。
3. The rooms were really dark and it was difficult to take photos, so I didn’t take any.
(1)It is +adj.+ to do sth. 意为"做某事是……",其中it是形式主语,真正的主语是后面的动词不定式,所以it was difficult to take photos相当于to take photos was difficult。例如:
It’s interesting to play the computer games.
玩电脑游戏很有趣。
(2)It is + 形容词(+of / for sb.)+ to do sth. 对某人来说,做某事是……。用介词of时,形容的是某人做这件事情所表现的品质;用介词for时,指的是所作的事情本身的一个性质。例如:
It is very kind of you to help me.
你能帮助我真是太好了。
It is important for us to learn English well.
对我们来说,学好英语很重要。
4. What did the farmer say?
本句是一般过去时的特殊疑问句,句子的结构是"特殊疑问词+ did + 主语+谓语+其它?"。特殊疑问词可以根据实际情况选择需要的词,例如对地点提问用where,对时间提问用when等。助动词did后面的谓语动词要用原形,did没有人称和数的使用限制。回答时,要根据问句回答具体的内容。例如:
-When did you go there? 你什么时候去的哪儿?
-About seven o’clock. 大约7点钟。
-How did you go there? 你们怎么去的那儿?
-By bus. 坐公共汽车。
5. Then the guide taught us how to make a model robot.本句中的how to make a model robot是"疑问词+不定式"结构,作动词taught的宾补。用来补充和说明宾语的情况。"疑问词+动词不定式"结构还常在句中作主语、宾语、表语等。例如:
Where to go is a problem. 到哪里去是一个问题。(主语)
I know where to find the key. 我知道在哪儿找到钥匙。(宾语)
The question is how to learn English well. 问题是如何学好英语。(表语)