Fabric, face, facilitate, facility, fact, factor, factory, faculty, fail, failure, faint, fair, fairly, faith, faithful, fall, false, fame, familiar, family, famous, fan, fancy, fantastic, far, fare, farm, farmer, fascinate, fascinating, fashion, fashionable, fast, fasten, fat, fatal, father, fault, faulty, favor, favorable, favorite, fax, fear, feasible, feather, feature, February, federal, fee, feed, feel, feeling, fellow, female, fence, fertile, festival, fever, few, fiction, field, fierce, fifteen, fifty, fight, figure, file, fill, film, final, finally, financial, find, finding, fine (注意该词有两种词类，不同的词义), finger, fireman, firm, firmly, first, fish, fir, five, flat, flavor, flee, flexible, flight, float, flood, floor, flourish, flow, flower, flu, fluctuate, fluent, fluid, fly, focus, fog, follow, following, fond, food, foolish, foot, football, for, forbid, force, forecast, foreign, foreigner, foresee, forest, forever, forget, fork, form, formal, format, former, forth, fortunate, fortune, forty, forward, fossil, foster, found, foundation, four, fourteen, fourth, frame, France, frank, free, freedom, freely, freeze, French, frequency, frequent, fresh, Friday, fridge, friend, friendly, friendship, frighten, from, front, frontier, frown, fruit, frustrate, frustration, fuel, fulfill, full, fun, function, fund, fundamental, funny, fur, furious, furnish, furniture, further, furthermore, future.

　　G

　　Gain, game, gang, gap, garage, garden, gas, gasoline, gather, gay, gaze, gene, general, generally, generate, generation, generous, genius, gentle, genuine, gesture, get (注意该词的短语), giant, gift, give, glad, glance, glimpse, global, globe, go(注意该词的短语), goal, good, goods, gorgeous, govern, government, grace, graceful, gradual, graduate, grand, grant, grasp, grateful, grave, great, greedy, gross, ground, grow, growth, guard, guess, guidance, guilty, guilt

　　H

　　Habit, habitant, half, halt, hamper, hand (注意该词的短语), handful, handicap, handle, handsome, handy, happen, hard (注意该词的跨词类用法), hardly, hardship, harm, hardware, harness, harsh, harvest, hate, have, hazard, hazardous, head, heal, heath, healthy, hear, heart, heartily, heat, heavy, height, help, helpful, hence, here, hesitate, hide, high, highway, hinder, hint, hire, historic/historical, hit, hobby, hold (注意该词的短语), honest, honor, honorable, hopeful, horrible, horror, hospital, host, hostile, hot, housing, hour, how, however, huge, humid, humiliate, humorous, hunger, hungry, hunt, hurry, hurt

　　I

　　I, ice, idea, ideal, identical, identify, idle, if, ignorant, ignore, ill, illegal, illness, illustrate, image, imagination, imagine, immediate, immense, immigrate, immune, impact, impartial, impel, implicit, imply, import, importance, important, impossible, impression, improve, impress, impulse, in, incentive, incident, incline, include, income, increase, increasingly, incredible, indeed, independent, indicate, indication, indifferent, indirect, individual, indoors, induce, industrial, industrious, industry, inevitable, infancy, infect, infer, infinite, inflation, influence, inform, informal, information, ingredient, inhabitant, initial, injure, injury, inner, innocent, innovate, input, inquire, insect, inside, insight, insist, inspect, inspire, install, instance, instant, instead, instinct, instruction, instrument, insult, intelligence, intelligent, intend, intense, intensive, intention, interact, interest, interesting, interior, intermediate, internal, international, Internet, interrupt, interview, intimate, into, introduce, introduction, invade, invent, invest, investigation, investment, invite, involve, irritate, isolate, issue, Italian, Italy, item, itself, its.