直接引语变成间接引语时，从句时态无须改变的情况有哪些，直接引语变为间接引语的时态...

知识点1:直接引语变成间接引语时，从句时态无须改变的情况有哪些

6）当引语是谚语、格言时，如：
He said，“Practice makes perfect.” ——>He said that practice makes perfect.
7）当直接引语中有情态动词should, would, could, had better, would rather, might, must, ought to, used to, need时，如：[1]would rather,had better,used to,相关知识点

used to; had better; would rather的用法。2.had better意为“最好”，后接不带to不定式。We had better go now.Hadn’t we better stop now?I think I’d better be going.You had better have done that.3.would rather意为“宁愿查看详情>>

例如：
The doctor said, “You'd better drink plenty of water.” ——>[2]plenty单词记忆法

◆记忆方法一：联想方式：ple—please（请） n—几 ty—体验请了几个有丰富经验的人来体验这课程　◆记忆方法二：分析：ple—please—请；n—几，ty—体验 记忆方法：请几个有足够经验的人来体验这项活动。◆记忆方法三：联想方式：ple—please（请） n—几 ty—体验记忆方法：请了几个有丰富经验的人来体验这课程◆记忆方法四：词根词缀记忆法：plenty查看详情>>

The doctor said I'd better drink plenty of water.
He said, “She must be a teacher.”——> He said that she must be a teacher.
He said, “She ought to have arrived her office by now.”——>
He said that she ought to have arrived her office by then.[3]that,have,相关知识点

have it that…的意思与用法have it that…的意思与用法have it that…的意思是“据说……”，其主语通常是rumour, legend等词。如：Rumour has it that Kim is not his child. 据说基姆不是他的孩子。Rumaur has it that they are getting married.传闻他们要结婚查看详情>>

The teacher said, “You needn't hand in your compositions today.”——>
The teacher said we needn't/didn't need to/didn't have to hand in our compositions.[4]have to,have,相关知识点

have go还是have to gohave go还是have to go请看下面的题，是选have go还是have to go?Whom would you rather _________ with you, Jim or Jack?A. have go B. have to go C. have gone D. has to go有的同学从一看选项便首先排除了A，认为查看详情>>

She asked, “Must I take the medicine?”——> She asked if she had to take the medicine.
〔注〕：此处用had to代替must更好
Teacher: You may have the ball game this afternoon.
Student : What did the teacher say, Monitor?
Monitor: He said we might have the ball game this afternoon.[5]might,have,相关知识点

知识点1:might + have + 过去分词3. 表示批评或责备即表示过去本来有责任或义务应该做某事的，但实际上却没有做成，含有批评和责备的意味，通常译为“本来应该”“本来可以”等。如：You might have let me know before! 你要是早点让我知道就好了! She might have told me she was going to stay o查看详情>>

知识点2:直接引语变为间接引语的时态变化

直接引语变为间接引语的时态变化

直接引语变为间接引语时，若主句为过去时态，变为间接引语的宾语从句通常要将时态往后推一个，即：一般现在时变为一般过去时，一般将来时变为过去将来时，现在进行时变为过去进行时，现在完成时变为过去完成时，一般过去时也变为过去完成时，等等(若直接引语为过去完成时，变为间接引语可以不变)。另外，若直接引语中有情态动词can, may等，也应变成过去式could, might等(情态动词must可以变为had to，也可不变，should, ought to, had better 等可以不变)。如：[6]had better,ought to,情态动词,相关知识点

情态动词ought to和had better用法详解You had better not throw it on the ground.你最好别把它扔在地上。had better很少用于疑问句,但有时为了表示忠告或建议而用否定疑问句,这时否定副词not位于主语之后。Had you better not talk to yourself?你不要自言自语好不好?查看详情>>

“I wish to be a teacher,” he said. 他说：“我想当老师。”
→He said that he wished to be a teacher. 他说他想当老师。
She said, “He’s lying.” 她说：“他在说谎。”
→She said that he was lying. 她说他在说谎。
He said, “I can lend it to you.” 他说：“我可以把它借给你。”
→He said that he could lend it to you. 他说他可以把它借给你。[7]could单词记忆法

◆记忆方法一：联想方式：could－丑陋的这件事情的真相可能是丑陋的。◆记忆方法二：联想方式：could－丑陋的记忆方法：这件事情的真相可能是丑陋的。查看详情>>