We make questions by:
我们形成疑问形式通过:

1: moving an auxiliary to the front of the clause:
将助动词提前:

2: … or by moving a modal to the front of the clause:
或是把情态动词提前:

3: The present simple and the past simple have no auxiliary. We make questions by adding the auxillary do/does for the present simple or did for the past simple:
一般现在时和一般过去时没有助动词。我们通过加do/does来变成疑问形式: