一定有办法解决这个问题。我们只是需要更多的时间。
我的笔记本电脑电池肯定有问题。你能检查一下吗?
我们之间一定有什么误会。
他感到一定是出了错儿。
抽屉里应该有把小刀或剪刀。
你饿了吗?冰箱里应该有些吃的。
技术人员刚刚修好了我的智能手机。现在应该没有问题了
如果你不解决这个问题，可能会有麻烦。
如果你不按时给我报告，可能会有问题
在不久的将来，美国可能会有更多的冠状病毒死亡。
There must be：「一定有」，表示推测。
There must be a solution to the problem. We just need more time.
There must be something wrong with my laptop battery. Could you check it?
There must be some misunderstanding between us.
He felt that there must be something wrong。
There should be：「应该有」，一样表示推测
There should be a knife or scissors in the drawer.
Are you hungry? There should be some food in the fridge.
The technician just fixed my smartphone. There should be no problem now.
There could be：「可能有」，表示可能性。
If you don’t fix the problem, there could be some trouble.
There could be a problem if you don’t give me the report on time.
There could be more coronavirus deaths in America in the near future.
