英语时态在许多情况都是前后呼应的,即上文所用的某种时态与下文所用的某种时态存在一定的关联性。正确地运用时态呼应本来也是一种做时态题的技巧,但是,如果不加理解地滥用它,则会适得其反。如:

■ I _______ in London for many years, but I’ve never regretted my final decision to move back to China.

A. lived B. was living C. have lived D. had lived

许多同学一看到后面的have never regretted为现在完成时,同时选项C也是现在完成时,结果滥用时态呼应,将答案误选C。其实,此题的最佳答案是A。句中but后的句子告诉我们,说话者现在已搬回了上海,所以他住在伦敦应属于过去的事情,故应用一般过去时。

■ He was hoping to go abroad but his parents _______ that they won’t support him unless he can borrow money from the bank.

A. were deciding B. have decided C. decided D. will decide

有的同学一看到句中的was hoping,便想当然地认为答案是A或C。其实,此题的最佳答案是B,用现在完成时表示目前决定“已经”作出。其实,假若此处填过去时态,它与其后宾语从句中的won’t, can也自相矛盾,故应排除。