有两个句子 1．I have a pain in my head today 2．I have a pain on my back 都是表示某一...有两个句子1．I have a pain in my head today 2．I have a pain on my back 都是表示某一个部位疼,但一个用in,一个用on,为什么?

有两个句子 1．I have a pain in my head today 2．I have a pain on my back 都是表示某一...有两个句子1．I have a pain in my head today 2．I have a pain on my back 都是表示某一个部位疼,但一个用in,一个用on,为什么? 英语,一个句子里可以有两个and吗?比如说I have a apple and a banana and a pear. I have to stay in bed two days.My nose hurts,my throat is sore,have a fever and have a headache.这两个句子有没有语病 if引导的这两个句子有什么不同啊?if i have money ,i 'll buy a car.if i had money ,i 'll buy a car. 有这个句子.I have a great sports collection.那I have a great basketballs collection. could I have some more bread.I have a dream.请问下这两个句子的时态?和结构? 有没有这样一种说法：I have a broken heart如果有 它与完成式 I have broken a heart 区别在于要搞清a放在哪个地 怎么更深的理解两个句子 比较一下2个句子,有什么区别if i have time,i will go to the beach请问这两个句子用的是什么时态啊,为什么第一个句子用will,第二个用would呢,if i have time,i will go to the beach&if i won that money i would buy a new 1.Let‘s watch TV.2.I have a nice watch思考：这两个句子中的watch 分别是什么词性?有“看”的意思的词还有哪些? 帮我分析一下这个英语句子是否错误?出自同一本教科书的两个句子有不同1.They have a great respect for his ability2.I have great respect for his ideas,although I don't agree with him.显然,两个句子在have和great之间 关于高一正弦函数图象与性质的题（要过程的）方程2sin（x+pai/6)+2a-1=0在[0,pai]上有两个不等实根,则a的取值范围是什么? sin^2(a+pai)-cos(pai+a)*cos(-a)+1 what did i do 和 what have i done 两个句子在意思上有什么不同?如题.拜谢 函数y=Asin(wx+&)的性质及应用!方程2sin(x+pai/3)+2a-1=0在[0,pai]上有两个不相等的...函数y=Asin(wx+&)的性质及应用!方程2sin(x+pai/3)+2a-1=0在[0,pai]上有两个不相等的实根,则实数a的取值范围是( ) 句子中有两个动词I guess him is a best student 为什么有两个动词 I heard a noise.I was hear a noise yestaday.这两个句子有什么区别? 英语翻译1.I have a lot of clothes to wash.2.I have a lot of clohes to be washed.这两个句子的句意有什么不同呢? I plan to have a busy weekend.和I am planning to have a busy weekend.这两个句子正确吗?区别是什么?