否定句:主语+助动词didn’t+动词原形+其它.
I don’t go to school. →I didn’t go to school. 一般疑问句:Did +主语+动词原形+其它? Do you have breakfast? →Did you have breakfast? Yes, I do./No, I don’t. → Yes, I did./No, I didn’t.
climbed (climb) the mountains and (go) to Green Park. We _______
____ (see) a lot of flowers. We ___ saw ate (eat) our lunch under some trees played (play) some games after that. But at about two o’clock, and ______ got (get) very cloudy and we _______ it ____ worried (worry) it would rain.
末尾只有一个辅音字母的重读闭音 节词,先双写这个辅音字母,再加ed
结尾是“辅音字母+y”的动词,先变 “y”为“ i”再加-ed
stop trip
study worry
stopped tripped
studied worried
规则动词过去式词尾-ed的读音
读音规则
在浊辅音和元音后面 在清辅音后面 在t, d 后面
Luckily, it _____ didn’t (do not), and the sun _____ came (come) out again!