9 Future Perfect Tense 将来完成时 Judy's grandpa is an old peasant. 朱迪的爷爷是一位老农民。 He is planting crops in the field. 他正在田里种植庄稼。 By the time he finishes planting in March,he will have planted 10 acres of crops. 到三月份完成种植时，他将会已经种了10英亩的庄稼。 How many acres of crops will he have planted 他将会己经种了多少英亩的庄稼呢？ He will...