I saw Miss Li in the street yesterday.(改为否定句)

I saw Miss Li in the street yesterday.(改为否定句)
I saw Miss Li in the street yesterday.(改为否定句)

I saw Miss Li in the street yesterday.(改为否定句)
首先你看saw,是see的过去式,后面是yesterday昨天的意思,典型的过去式.
又因为saw是动词,所以得有did,因为是否定,所以就得didn't 但did后面要加动词原形、
所以
I did（n't） （see） Miss Li in street yesterday.
明白了么?I didn't see Miss Li in street yesterday.

I didn't see Miss Li in street yesterday.

I didn't see Miss Li in the street yesterday.
I saw Miss Li not in the street yesterday.

i wasn't seeing miss li in the street yesterday 第二种
i saw miss li was 't in the street yesterday 第三种
i didn't see miss li in street yesterday 第四种
i saw miss li didn't in street yesterday