present continuous 现在进行时
present simple 一般现在时
past perfect 过去完成时
past continuous 过去进行时
present continuous 现在进行时
present perfect continuous 现在完成进行时
present perfect 现在完成时
past perfect continuous 过去完成进行时
future 一般将来时
future continuous
future perfect
future perfect continuous 将来完成进行时