都可以的,例如i've never seen such a beautiful place.
this is the most beautiful place i've ever seen.
he never plays basketball.等等,
这些都不必深究的。但是一般都用于完成时。
都可以的,例如i've never seen such a beautiful place.
this is the most beautiful place i've ever seen.
he never plays basketball.等等,
这些都不必深究的。但是一般都用于完成时。