471. are→is 472. I→did I 473. was→did 474. felt→fell 475. puzzling→puzzled

466. don’t→shouldn’t 467. up→on 468. with→for 469. noises→noise 470.way→way of

461. can→could 462. told→had told 463. took→taken 464. painting→painted 465. ask→asking

456. raised→risen 457. which→that 458. was →were 459. are→is 460. this→it

451. change the first “she” into “it” 452. difficulties→difficulty 453. much→well 454. invited→inviting 45. 5mind→minds

446. long→longest 447. sit→sitting 448. have→has 449. when→before 450. didn’t→hadn’t

441. in→on 442. speak→speaking 443. this→which 444. having→has 445. inviting→invited

436. was→did 437. drop “was” 438. me→me to 439. about→about to 440. visited→visiting

431. change→changing 432. sit→sitting 433. and→or 434. are→is .435 That→What

426. up→out 427. don’t→do 428. drop “of” 429. much→more 430. except→except that