shut the stable door after the horse has bolted

shuts the stable door after the horse has bolted 三单 shuts the stable door after the horse has bolted shut the stable door after the horse had bolted shutting the stable door after the horse has bolted shutting the stable door after the horse has bolted 现在分词 shut the stable door after the horse had bolted 过去式 shut the stable door after the horse had bolted 过去分词