The following grammatical class word lists are currently implemented:
Prepositions { "aboard","about","above","across","after","against","ahead","along","alongside", "amid","amidst","among","amongst","apart","around","as","aside","astride","at", "atop","away","before","behind","below","beneath","beside","besides","between", "beyond","by","close","contrary","down","during","following","for","forward", "from","in","inside","into","minus","near","next","notwithstanding", "of","off","on","onto","out","opposite","over","past","pending","per","plus", "round","through","throughout","till","to","toward","towards", "under","underneath","until","up","upon", "via","with","within","without" };
Irregular verbs { "abide","abode","abided","arise","arose","arisen","awake","awoke", "awaked","awoken","bear","bore","borne","beat","beat","beaten", "become","became","befall","befell","befallen","beget","begot", "begotten","begin","began","behold","beheld","bend","bent", "bereave","bereft","bereaved","beseech","besought","beset", "beset","bestride","bestrode","bestridden","bestrid","bet", "betted","betake","betook","betaken","bethink","bethought","bid", "bade","bidden","bide","bided","bode","bind","bound","bite","bit", "bitten","bleed","bled","bless","blessed","blest","blow","blew", "blown","break","broke","broken","breed","bred","bred","bring", "brought","broadcast","build","built","burn","burnt","burned", "burst","buy","bought","cast","catch","caught","chide","chid", "chidden","choose","chose","chosen","cleave","cleft","clove", "cloven","cling","clung","come","came","cost", //100 "creep","crept","cut", "dare","dared","deal","dealt","dig","dug","dive","dived","dove","do", "did","done","draw","drew","drawn","dream","dreamt","dreamed", "drink","drank","drunk","drive","drove","driven","dwell","dwelled", "eat","ate","eaten","fall","fell","fallen","feed","fed","feel","felt","fight", "fought","find","found","flee","fled","fling","flung","fly","flew","flown", "forbear","forbore","foreborne","forbid","forbade","forbad","forbidden", "forecast","foreknow","foreknew","foreknown","foresee","foresaw", "foreseen","foretell","foretold","forget","forgot","forgotten","forgive", "forgave","forgiven","forsake","forsook","forsaken","forswear", "forswore","forsworn","freeze","froze","frozen","gainsay","gainsaid", "get","got","gotten","gild","gilded","gird","girded","girt","give","gave", "given","go","went","gone","grave","graved","graven","grind", "ground","grow", //200 "grew","grown","hamstring","hamstringed", "hamstrung","hang","hung","hanged","have","had","hear","heard", "heave","heaved","hove","hew","hewed","hewn","hide","hid","hidden", "hit","hold","held","hurt","inlay","inlaid","keep","kept","kneel","knelt", "kneeledknit","knitted","know","knew","known","lay","laid","lead","led", "lean","leant","leanedleap","leapt","lept","leaped","learn","learnt", "learned","leave","left","lend","lent","let","lie","lay","lainlight","lit", "lighted","lose","lost","make","made","made","mean","meant","meet", "met","melt","melted","miscast","misdeal","misdealt","misgive", "misgave","misgiven","mislay","mislaid","mislead","misled","misspell", "misspelt","misspelled","misspend","misspent","mistake","mistook", "mistaken","misunderstand","misunderstood","mow","mowed", "mown","outbid","outbade","outbidden","outdo","outdid","outdone", "outgrow","outgrew","outgrown", //300 "outrun","outran","outshine", "outshone","overbear","overborne","overcast","overcome","overdo", "overdid","overdone","overfeed","overfed","overhang","overhung", "overrun","overran","oversee","oversaw","overseen","oversleep", "overslept","overtake","overtook","overtaken","overthrow", "overthrew","overthrown","partake","partook","partaken","pay","paid", "prove","proved","put","read","rebind","rebound","rebuild","rebuilt", "recast","redo","redid","redone","relay","relaid","remake","remade", "rend","rent","repay","repaid","rerun","reran","reset","retell","retold", "rewind","rewound","rewrite","rewrote","rewritten","rid","ridded", "ride","rode","ridden","ring","rang","rung","rise","rose","risen","run", "ran","saw","sawed","sawn","say","said","see","saw","seen","seek", "sought","sell","sold","send","sent","set","sew","sewed","sewn", "shake","shook","shaken","shave","shaved","shear","sheared","shorn", //400 "shed","shine","shone","shined","shoe","shod","shoot","shot","show", "showed","shown","shrink","shrank","shrunk","shut","sing","sang", "sung","sink","sank","sunk","sit","sat","slay","slew","slain","sleep", "slept","slide","slid","sling","slung","slink","slunk","slit","smell","smelt", "smelled","smite","smote","smitten","sow","sowed","sown","speak", "spoke","spoken","speed","sped","speeded","spell","spelt","spelled", "spend","spent","spill","spilt","spilled","spin","span","spun","spit", "spat","split","spoil","spoilt","spoiled","spread","spring","sprang", "sprung","stand","stood","steal","stole","stolen","stick","stuck", "sting","stung","stink","stank","stunk","strew","strewed","strewn", "stride","strode","stridden","strid","strike","struck","string", "strungstrive","strove","strived","striven","swear","swore","sworn", "sweep","swept","swept","swell","swollen", //500 "swelled","swim", "swam","swum","swing","swung","take","took","taken","teach", "taught","tear","tore","torn","tell","told","think","thought","thrive", "throve","thrived","thriven","throw","threw","thrown","thrust","thrust", "tread","trod","trodden","unbend","unbent","unbind","unbound", "underbid","underbidden","undergo","underwent","undergone", "understand","understood","undertake","undertook","undertaken", "undo","undid","undone","unwind","unwound","uphold","upheld", "upset","wake","woke","waked","woken","waylay","waylaid","wear", "wore","worn","weave","wove","woven","wed","wedded","weep", "wept","wet","wetted","win","won","wind","wound","withdraw", "withdrew","withdrawn","withhold","withheld","withstand","withstood", "wring","wrung","write","wrote","written" //99 };
Auxiliary verbs { "can","could","will","would","may","might","shall","should","must","ought"};
Determiners {
"the","a","an","this","these","those","that","some","any",
"my","your","his","its","our","their","her"};
Operators { "do","does","did","done","doing","be","is","are","being", "was","were","been","am","have","has","had","having"};
Articles { "the","a","an"};