关于if从句I f you ______ enough place,you can hold a garden Party to celebrate your birthday.为什麼横线上要填have.不是填had?

关于if从句I f you ______ enough place,you can hold a garden Party to celebrate your birthday.为什麼横线上要填have.不是填had?
关于if从句
I f you ______ enough place,you can hold a garden Party to celebrate your birthday.
为什麼横线上要填have.不是填had?

关于if从句I f you ______ enough place,you can hold a garden Party to celebrate your birthday.为什麼横线上要填have.不是填had?
从后半句看是一般现在时.had是指过去.