练习：填入said或told，并填入括号中动词正确的时态。

• He told me that she would come (come) the next day.
• He said he could not (cannot) understand me.
• I told you I had (have) never played tennis befor.
• He said that he worked all day yesterday. （was working/worked/had worked）
• Why did you say that you were (be) busy? (were/had been)

不规则动词的变化