一、学生易错词汇:
1.a, an的选择:元音字母开头的单词用an,辅音字母开头的单词用a.
2. am, is , are的选择:单数用is ,复数用are.I用am, you用are.
3. have , has的选择:表示某人有某物。单数用has ,复数用have. I , you用have .
二.动词的过去式的构成规则有:
A规则动词
①-般直接在动词的后面加ed:如worked , learned , cleaned , visited
②以e结尾的动词直接加d: 如lived , danced , used
B不规则动词
(此类词并无规则,须熟记)小学阶段要记住以下动词的原形和过去式:
sing-sang,eat-ate,see-saw,have-had,do-did,go-went,take-took
三.动词的ing形式的构成规则:
①一般的直接在后面加.上ing ,如doing , going , working , singing , eating
②以e结尾的动词,要先去e再加ing, 如having , writing
③双写最后一个字母的(此类动词极少)有: running , swimming , sitting , getting