英语/第5课

英語有16種時態，為（以buy為例）：

	一般時	進行時	完成時	完成進行時
現在	buy/buys	be buying	have/has had	have/has been buying
過去	bought	be buying	had had	had been buying
將來	will buy/be going to buy	will be buying	will have had	will have been buying
過去將來	would buy	would be buying	would have had	would have been buying

在下面的課程中，我們會一一作介紹。