今日学习的句型结构是动词+宾语+动词不定式，即Vt+sb/sth+to do。也便是动词不定式作宾语补足语。常用于这类句型的动词较多。
榜首，带to 的动词不定式作宾语补足语，下面这些动词能够这样用:advise allow want expect cause enable
encourage persuade invite force order tell
teach beg get leave等等。咱们来看些例句。
Smart phones allow people to enjoy music
and entertainment.
I didn't move the piano by myself. I got somebody to help me.
you aren't allowed to park in front of the building.
Who taught you to drive?
I didn't expect you to sing so beautifully.
They were invited to take part in the May Day
celebrations
The microscope enables us to see small objects.
第二，不带to的动词不定式作宾语补足语，下面这些动词能够这样用：feel have let make
notice hear watch see等等。看例句：
He made me laugh.
Don't forget to have him come
Let me carry your bag for you.
I hate to see him leave so soon.
help后边能够跟带to或不带to的不定式
Can you help me to move this table?
或Can you help me move this table?
