Letter: b
- be in want, lack, need, starve, want

- be in, be in force, be the rage, be the rule, be the thing, carry, deal in, dominate, handle, job, market, merchandise, obtain, predominate, prevail, reign

- be inattentive, blink at, connive at, disregard, ignore, let pass, make light of, miss, not listen, overlook, pass by, pass over, slight, wink at

- be incarnated, awake, awaken, be born, come alive, come to, quicken, resuscitate, revive, rise, see the light

- be incognito, burrow, disappear, hide, hole up, lie low, masquerade, sit tight, take cover

- be indicated, ask, call for, claim, clamour for, cry for, demand, exact, need, require, want

- be indicative of, argue, bespeak, betoken, characterize, connote, denote, differentiate, disclose, display, entail, express, highlight, hint, identify, indicate

- be indiscreet, babble, betray, blab, blabber, blurt, give away, inform, inform on, leak, let drop, let slip, peach, rat, sing, spill

- be inferior, fail, fall short, follow, not compare, serve, want

- be infinitely repetitive, drag on, fatigue, glut, irk, jade, pall, satiate, tire, wear, wear on, weary

- be influential, carry weight, count, tell, weigh

- be informed, appreciate, apprehend, ascertain, comprehend, conceive, conceptualize, determine, discern, discover, fathom, find, find out, get, get hold of, grasp

- be inimical, antagonize, clash, collide, conflict, confute, contradict, counter, counteract, countervail, cross, go against, interfere, militate against, oppose, resist

- be innocent of, dabble, give up, pass, scratch the surface, toy with, wonder

- be insane, babble, dote, drivel, drool, rage, ramble, rant, rave, run amok, slaver, slobber, wander

- be inseparable, associate, cotton to, fraternize, hit it off, hobnob with, know

- be inspired, care, dig, echo, empathize, identify with, react, respond, share, sympathize with

- be instrumental, act for, advance, assist, facilitate, forward, mediate, minister to, promote, serve

- be insufficient, fail, fall short, lack, want

- be intimate, ball, cohabit, come together, copulate, couple, cover, diddle, fornicate, lay, make love, make out, mate, mount, screw, serve

- be into, confine, feature, follow, get, go in for, limit, narrow, pursue, relate, restrict, specialize, specialize in

- be involved, care, come, dig, echo, empathize, identify with, react, respond, share, sympathize with

- be judicious, account, adjudicate, allow, consider, count, deem, esteem, hold, judge, opine, presume, regard, suppose, think of

- be keen, bite, bristle, cut, prick, stick, sting

- be killed, OD, asphyxiate, choke, drown, fall, farm, perish, smother, starve, strangle, suffocate

- be knocked up, breed, brood, carry, cover, gestate, hatch, set, sit

- be latent, escape notice, hibernate, lie low, lurk, smoulder, underlie

- be learned in, command, know well

- be left, remain, rest, subsist, survive

- be lengthy, crane, extend, outreach, reach out, sprawl, straggle, stretch, stretch out
