现在完成时时态问题the friendly relations and cooperation between our

来源：学生作业帮编辑：神马作文网作业帮分类：英语作业时间：2024/09/24 20:27:42

现在完成时时态问题
the friendly relations and cooperation between our tow countries have been enhanced in the past few years
上面的句子现在完成时的时态用的对吗?请指教下~是用have吗?不是has啊?
还有
we have had four texts this semester
这个句子里面的have had这样连着再好多句子中出现什么时候have had连起来这样用?

we have had four texts this semester
这句话的中的have had是用在现在完成时.而现在完成时的结构是have/has+过去分词.这句话翻译出来就是（这学期我们有4种文本）.这样这句话就好理解了.have是过去完成结构的一部分,而had就可以翻译为“有,拥有”.所以have had就好理解了.

现在完成时时态问题the friendly relations and cooperation between our the relations between China and North America! Let's toast the friendship and cooperation between our two c Relations between （we）have become friendly how to deal with the relations between China and Japan? as relations between China and Australia develop,the continu We place the highest value ___ our friendly relations with d Examine the relations between the rule of law and the separa 英语现在完成时时态问题 the course in our university and the differences between uni the good relationship between us students and our teachers , 英语翻译不会是the data between our and their吧?