would 動(dòng)詞原型是什么時(shí)態(tài)

would+動(dòng)詞原形是過(guò)去將來(lái)時(shí)。
例句：
He would never harm anyone.
他永遠(yuǎn)不會(huì)傷害任何人。
That would be best, Your Highness.
那就再好不過(guò)了，殿下。