had為have的過去式，也可作為助動(dòng)詞 had done. 

was/were 為be動(dòng)詞的過去式的單復(fù)數(shù)形式

was和were的區(qū)別及用法

1、was和were都是過去時(shí)。was是is和am的一般過去式，were是are的一般過去式。

2、was與I/He/She/It連用，were與We/They/You連用。

was

1、Right off I want to confess that I was wrong.我立刻就想承認(rèn)我錯(cuò)了。

2、He was already rich.他已經(jīng)很富有了。

3、I was astounded by its beauty.它的美麗震撼了我。

were

1、They were photographed and had their fingerprints taken.他們被拍了照，還被提取了指紋。

2、We were all badly bitten by mosquitoes.我們都被蚊子咬慘了。

3、They were good friends during the university.他們大學(xué)時(shí)是好朋友、

had則?在?般過去時(shí)，過去完成時(shí):

He had an operation last year to widen a heart artery.去年他接受了?個(gè)擴(kuò)張?臟動(dòng)脈的?術(shù)。

He had our friend's cap!他拿了我們朋友的`帽?。

Have you had some training related to telesales in your past years?在過去的?年中，你接受過電話銷售的相關(guān)培訓(xùn)嗎