Ever Since 结构的用法
今天的语法，和大家来学习一下一个完成时有关的用法
1.ever since 的结构：(作为连词)=since 完成时态---- ever since +主+动词简
单过去式
例：I have known him ever since he was a child.
他从小我就认识他了。

这种用法同since 差不多，不过ever since 比since 用得少。

再如：We have lived in Shanghai ever since we came to China.(自从我们来到中国之后就住在上海。

)
2.以上所说的ever since 作为连词。

ever since 也可作为副词，解释“此后”（就一直...）
例：1）He fell ill at Christmas and has been ill ever since.
他在圣诞节生病了此后就一直不适。

（has + be ill）
2）He left home last year and has been away ever since.
他去年离家走了，此后一直在外面。

（has + be away）
3）He fell off his horse a week ago and has been in bed ever s ince.
一周前他从马背上跌下来，从那以后就一直躺在床上。

4）He went to Turkey in 1950 and has lived there ever since.
他在1950年去土耳其，此后就一直住在那里。

3.has not been able to 这实际上就是be able to 加上have 罢了。

所
谓be able to 就是“有可能”不是“能”（can）。

如果一直，始终没有可能就是has not been able to ,这很简单。

如果it has not been easy. 就是“那件事一直不是轻而易举的。

”完成时态不一定都解释为“已经”，有时要解释为“一直”。

相关词汇：
have trouble with sb. 与某人发生了纠纷
return home 不可用return to home
at night 不可用at the night
because of 由于
even once 即使是一次
have effect 产生效果
turn ... to 把···变为
No Parking!
不准停车
Jasper White is one of those rare people who believes in ancient my ths. He has just bought a new
house in the city, but ever since he moved in, he has had troubl
e with motorists.
{贾斯珀·怀特是那种少见的相信古代神化的人之一。

他在城市里刚买了一套新房，但自从他搬进去以来，他已经同汽车司机闹上了纠纷。

When he returns home at night, he always finds that someone has par ked a car outside his gate.
Because of this, he has not been able to get his own car into hi
s garage even once. Jasper has put up
"No Parking" signs outside his gate, but these have not had any e ffect.
{当他晚上回家时，他总是发现有人把一辆汽车停在他的家门口。

由于这个原因，他连一次也没能把他自字己的汽车开进车库。

贾斯珀已经不止一次地把“不准停车”的牌子挂在门口，但未曾起过任何作用。

Now he has an ugly stone head over the gate. It is one of the ug liest faces I have ever seen. I asked
him what it was and he told me that it was Medusa, the Gorgon. Ja sper hopes that she will turn
motorists to stone. But none of them has been turned to stone yet! {现在他把一个丑陋的石头人头像放在大门边，那是我见过的最丑陋的人面像之一。

我问他那是什么，他告诉我那是美杜莎，是蛇发女怪。

贾斯珀希望这女怪将会把汽车司机们变成石头。

可是至今还没有一个人变成石头呢！（美杜莎为蛇发女怪，谁要被她看到，谁就会变成石头，这是希腊神话中的故事。

）。