e late for sth.=be late to do sth. 做某事迟到了
It is time for sb.to dosth.=It si time for sb.for.sth.现在到某人做某事的时间了
Here be ...for... 这里有...
Let sb.do sth.让某人做某事
ask sb.to do sth.请求某人做某事
want sb.to do sth. 想让某人做某事
How about doing sth.= What about doing sth.做某事怎么样
sb.spend some time(in)doing sth.=sb.spend some time on sth.某人在某事上花费了一些时间
be good at doing sth.=do well in sth. 擅长做某事
teach sb.sth. 教某人做某事
give sb.sth.=give sth.to sb. 给某人某物
need to do sth. 需要做某事
help sb.do sth.=help sb.with sth. 帮助某人做某事
be afraid of... 害怕...
be afraid to do sth. 害怕做某事
offer to do sth. 提出做某事
take sb to... 带某人去...
It takes sb.some time to do sth. 某人在某事上花费了一些时间
be busy doing sth. 忙着在做某事
be busy to do sth. 忙着做某事
一般现在时：
① 主语+系动词+表语
②主语+实意动词+其他【宾语、状语等】
现在进行时：
主语+be+动词的ing形式+其他
