展开全部 在but后何时要接带to的不定式,何时要接不带to的不定式有一条简单的规则。那就是前面动词是do(does/did/performed /doing/to carry out)时,后接不带to的原形不定式;如前面用的是其他的动词,则后面的不定式要加上to。 Why is case study study significant for all Management students in advance of their case study assignment report? Every one of us are acquainted with 4 sorts of case studie... https://myleswnlgz.blogocial.com/top-guidelines-of-case-study-assignment-help-72709936