`1.` Did you go alone? (past simple)

Dấu hiệu: No, I didn't

Form: Did + S + V + O?

`2.` How did you travel? (past simple)

Dấu hiệu: We travellef by train

Form: How + did + S + V?

`3.` How long did you stay there? (past simple)

Dấu hiệu: We stayed there for a week

Form: How long + did + S + V + O?

꧁$\color{#1c1c1c}{\text{G}}$$\color{#2a2043}{\text{o}}$$\color{#291063}
{\text{d}}$$\color{#53008}{\text{M}}$$\color{#6b28ac}
{\text{a}}$$\color{#8c4ebd}{\text{t}}$$\color{#B592D6}
{\text{h}}$$\color{#ceaedf}{\text{s}}$꧂