Could a shortage of shut-eye also (be helping to) make us fat?(be helping to)是什么用法?
问题描述：
Could a shortage of shut-eye also (be helping to) make us fat?(be helping to)是什么用法?
Could a shortage of shut-eye also (be helping to) make us fat?
请问这里(be helping to)是现在进行时吗?
这句话的句子结构,如主语,谓语,宾语是什么?
答
主语是a shortage of shut-eye,谓语是 could...be helping 宾语是 to make
是进行时.你好，请问这个句子是什么时态？(be helping to)是现在进行时？是含有情态动词的进行时。但could表示推测