WOULD - Form you use to make the second conditional, SIMPLE PRESENT - Form you use to make the first conditional in the if-clause, MODALVERBS - Verbs that don't change, SIMPLE PAST - Form you use in the second conditional in the if-clause,

Conditional-questions

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？