In Tenses^x, Indirect speech^x

How should I change the following to indirect speech? He said, "You had better finish it now." The question is what the "past tense" of "had better" is. Thanks.

Direct speech mean is what is said by speeker as same as described to other that is direct speech i.e. Karim said, " I eat rice" where describer told as speeker siad. Indirect speech mean is what is said by speeker describer said it from his modification. i.e. Karim said he ate rice. where...

>>Here is another sentence that I can't understand why present tense is used; "The doctor suggested that I decrease the amount of medication." Why "decrease" is used here? According to your explanation, I think "decreased" should be used. Could you please help me with this one? Actually,...

>I would say that the last one is " He said (that) he had seen her before he had GONE there. Nope, you mustn't change the verb in indirect speech! You only change the tense, and if it doesn't fit anymore, also the adverbials of place, time, etc.: Peter (on the 22nd in London): I came here...

Thank you for helping me Tense is not so important in my mother tongue, so it's hard for me to understand the concept. I have been studying to build up my vocabulary, and I found a couple of indirect speech sentences in my text book. That one was one of them. Here is another sentence that I...

>We told Sharon that her comments didn't really relate to the key issues at hand. is correct. I think, the direct speech sentence is in simple present: "Your comments don't relate to the key issues." When the "introduction"part of a sentence in indirect speech is in a past tense form (here:...

Could you tell me which tense is correct in indirect speech? Also, could you please explain the reason? We told Sharon that her comments don't really relate to the key issues at hand. We told Sharon that her comments didn't really relate to the key issues at hand. Thank you.

To keep up the actual aim of the thread: Another problem that I had while learning English was the backshift of tenses in Indirect Speech. While in German you would always use the subjunctive when you want to express something in Indirect Speech, in English you've to backshift every tense. This...