I run fast 改为现在进行时
I run fast 改为现在进行时
The rabbits run fast(改为现在进行时)
I can run fast.(改为一般疑问句)
I could run fast before.(改为一般疑问句)
They run fast改为感叹句
run fast 改为否定句
the dogs can run very fast 变现在进行时
the boy wearing the black jacket runs fast.改为现在进行时
Don't run in the room,Tom 改为现在进行时
She can run fast(改为一般疑问句)
I run in the playground with Wendy.(现在进行时)
You run I run as fast as I can