1. the difficulty is to show/showing my photo / to show/showing my photo is a difficulty
以上两项提到的都是不定式和动名词的区别。它们都可以作主语、宾语和表语但是有一定的区别
1）不定式：指的是未来的一次具体行为，如：
主语 — To show my photo to him later is a difficulty. 待会儿给他看我的照片有点困难。（可能没有洗印出来或其他原因）
宾语 — I don't like to disturb you. 我不想去打扰你。（本人不打扰）
表语 — The difficulty is to show my photo this afternoon. 难的是今天下午要展示我的照片。
2）动名词：指已经存在的普遍性行为，如：
主语 — Showing my photo to always is a difficulty. 总出示我的照片是个难点。
宾语 — I don't like disturbing others. 我不喜欢总打扰别人。（任何人这样做都不喜欢）
表语 — The difficulty is always showing my photo in public. 难的是总要当众展示我的照片。
2. seem的用法是什么？
1）后面跟形容词：
He seems quite happy. 他似乎十分快乐。
2）后面跟不定式：
I seemed to hear a voice in the distance. 我好象听到远处有说话声。
3）用句型 it seems to sb.：
It seems to me that it will snow. 在我看莱天要下雪。
4）句型 it seems as if：
It seems as if it is going to rain. 看来似乎要下雨了。
3. difficulty这里可数么？
表示感念的抽象名词都是不可数的。
4. with与by的用法什么区别？
1）with 表示用什么东西，如：
The table is covered with a piece of cloth. 桌子被（用）一块儿布盖着。
2）by 介绍行为者，表示某个行为被某人做了，如：
The table is covered by my mother； 桌子被我妈盖上了。
3) 把两个句子合在一起即为：
The table is covered with a piece of cloth by my mother.
5. with his help这里的with怎么解释？【通过】 还是【因为】 ？
根据不同情况可以翻译成“ 因为；当(有)...情况下”，如：
* jump with joy 因为高兴跳起来
* shake with cold 由于冷发抖
* With all his money, he is unhappy. 在有那么多钱的情况下, 他也并不愉快。
* I have done it on time with his help. 再由他帮助的情况下，我已经按时完成了这件事。
6. the difficulty for/to/with me什么区别？哪个正确？
* the difficulty for me 为我而提供的困难
* the difficulty to me 加在我身上的困难/我遇到的困难
* the difficulty with me 伴随我的困难
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