quiet—loud easy—hard clean—dirty dry—wet heavy—light win—lose healthy—sick strong—weak
before—after high—low remember—forget arrive—leave go—come east—west north—south sit—stand right—left in—out warm—cool big—little(small) long—short cry—laugh short—tall on—under above—below behind—in front of top—bottom expensive—cheap
不规则动词过去式
teach—taught go—went think—thought buy—bought eat—ate forget—forgot win—won lose—lost do—did make—made swim—swam say—said see—saw are—were is—was have—had fly—flew take—took find—found can—could tell—told throw—threw begin—began bring—brught come—came catch—caught write—wrote draw—drew drink—drank stand—stood drive—drove know—knew feel—felt get—got give—gove leave—left ride—rode run—ran send—sent sit—sat sleep—slept speak—spoke (hit—hit hurt—hurt put—put cost—cost read—read let—let过去式与原形没有变化)。