"do" 的变形和用法
现在时:
第一人称单数:I do (我做)
第二人称单数:You do (你做)
第三人称单数:He/She/It does (他/她/它做)
第一人称复数:We do (我们做)
第二人称复数:You do (你们做)
第三人称复数:They do (他们做)
过去时:
do 的过去时在所有主语中都变形为 did (做了)
例如:I did (我做了), He did (他做了), We did (我们做了), 等等。
现在分词(进行时):
doing (正在做)
例如:I am doing (我正在做)
过去分词(完成时):
done (做完了)
例如:I have done (我已经做完)
否定形式:
现在时:do not do (不做),或者使用 does not do (他/她/它不做)
过去时:did not do (没有做),常简写为 didn't do (没做)
现在进行时:am not doing, is not doing, are not doing (不在做)
过去进行时:was not doing, were not doing (不在做)
疑问形式:
现在时:Do you do...? (你做...吗?), Does he/she/it do...? (他/她/它做...吗?)
过去时:Did you do...? (你做了...吗?), Did he/she/it do...? (他/她/它做了...吗?)
现在进行时:Are you doing...? (你正在做...吗?), Is he/she/it doing...? (他/她/它正在做...吗?)
过去进行时:Were you doing...? (你正在做...吗?), Was he/she/it doing...? (他/她/它正在做...吗?)
"do" 也可以作为助动词使用,帮助构成疑问句和否定句,尤其是在需要强调或者倒装句中。例如:
Do you like apples? (你喜欢苹果吗?)
I do not want to go out. (我不想出去。)
此外,"do" 还可以用在某些特定的表达中,如 "I couldn't do anything about it." (我对此无能为力。) 或 "You do look nice in that dress." (你穿那件裙子真好看。)
这些是 "do" 的基本变形和用法。由于 "do" 是一个非常灵活的动词,它在不同的语境中可能会有不同的变形和用法。