改错;When one have time and money ,he can do what he want to .
have变has,want变wants.
如果是一般现在时,第一人称变为第三人称单数时:
1 be 动词中的am要改为is , 如 i am a student . -> he/ she is a student .
have 改为has , 如 i have a pen . -> he / she has a pen .
2 实义动词作谓语时,变第三人称单数时谓语动词要加s / es,动词第三人称单数的变化规则是
1)一般在词尾加s,如 open - opens
2)以s ,x ,ch ,sh ,o 结尾时,直接 在后面中es ,如 pass - passes ; fix - fixes ; watch
watches ; wash - washes , do - does
3)以辅音字母加y 结尾时,变y 为i 再加es,如 carry - carries
例句:
1) i go to school on foot . -> he goes to school on foot .
2) i help jim clean the windows . -> she helps jim clean the windows.
3) i do my homework in the evening.-> he does his homework in the evening .
如果是一般过去时,实义动词作谓语时都是用过去时(不受人称和数的影响)如
i did my homework just now.
he did his homework just n
2011-03-12