“Cannot "is usually contracted to "can't"为什么"contract用的是过去式呢

“Cannot is usually contracted to can't为什么contract用的是过去式呢 It is usually very 初一英语7A第五单元同义句试题A basketball player is usually tall.Tom is short ,so he cannot be a basketball player.Tom is ____ ____ ____to be a basketball player. 英语翻译A person who is deaf when he is born is usually dumb as well.There may be nothing wrong with his mouth and tongue,but he cannot speak.This is because,as he is deaf,he cannot hear other people speak,and therefore has nothing to imitate.He Cannot cannot what is done cannot be undone是什么意思 the weather is usually very What word is usually wrong which word is usually right? I can easily造句还有I cannot/ on rainy daysI usually.after schoolI never.on saturdays “It is not cannot love .is only cannot injury”什么意思 My mother ( )very busy on weekendsA.does usually B.is usually C.usually is D.usually does usually It is usually snow还是snowy Usually worn when it is rainy英文翻译 Tom usually plays football.He is [ ] [ ]it. tom is usually punished by fighting改错.