I'll have one more cake if I have time.同义句I'll have ( )cake if I ( )快

I'll have one more cake if I have time.同义句I'll have ( )cake if I ( )快
I'll have one more cake if I have time.同义句I'll have ( )cake if I ( )
快

I'll have one more cake if I have time.同义句I'll have ( )cake if I ( )快
I'll have( another) cake if i (am free)

I'll have ( another)cake if I (am spared )

I'll have( another) cake if i (am free)

I'll have ( another)cake if I (am spared )

可能，大概，我也是才做到、、、
I'll have another cake if i （am free）.
if i 后是两空吧？