.1 真实条件句真实条件句用于陈述语气,假设的情况可能发生,其中 if 是如果的意思。时态关系句型: 条件从句 主句 一般现在时 shall/will + 动词原形If he comes, he will bring his violin.典型例题The volleyball match will be put off if it _.A.will rain B. rains C. rained D. is rained答案B。真实条件句主句为将来时,从句用一般现在时。注意:1) 在真实条件句中,主句不能用be going to表示将来,该用shall, will.(错) If you leave now, you are never going to regret it.(对) If you leave now, you will never regret it.2) 表示真理时,主句谓语动词便不用shall (will) +动词原形,而直接用一般现在时的动词形式。