用非谓语动词的不定式造句,看看有没有错的啊,1.Ihavesomehomeworktodo2.Theworkmusttobefinishedontime3.Theteacherwarnusnottogoswimminginriver4.Thesebooksarenottobesold5.Theworknottohavebeenfinished

Question

用非谓语动词的不定式造句,看看有没有错的啊,
1.I have some homework to do
2.The work must to be finished on time
3.The teacher warn us not to go swimming in river
4.These books are not to be sold
5.The work not to have been finished

Answer 1

1.I have some homework to do 对
2.The work must be finished on time
3.The teacher warns us not to go swimming in the river
4.These books are not sold
5.The work has not been finished