66. feed 喂 fed fed

　　67. feel 感觉 felt felt

　　68. fight 打架 fought fought

　　69. find 找寻 found found

　　70. flee 逃跑 fled fled

　　71. fling 派出 flung flung

　　72. fly 飞flew flown

　　73. 逃逸fled fled

　　74. 击飞flied flied

　　75. forbear 克制 forbore forborne

　　76. forbid 禁止 forbade, forbad forbidden

　　77. forecast 预报 forecast, forecasted forecast, forecasted

　　78. fordo 损毁 fordid fordone

　　79. forego 居先 forewent foregone

　　80. foreknow 预知 foreknew foreknown

　　81. forerun 作先驱 foreran forerun

　　82. foresee 看穿 foresaw foreseen

　　83. foreshow 预示 foreshowed foreshown

　　84. foretell 预言 foretold foretold

　　85. forget 忘记 forgot forgotten, forgot

　　86. forgive 原谅 forgave forgiven

　　87. forsake 抛弃 forsook forsaken

　　88. forswear 发假誓 forswore forsworn

　　89. freeze 冷冻 froze frozen