如果他不接电话，那他可能正在开会。
If he doesn't answer, he might be in a meeting.
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If英 /ɪf/|美 /ɪf/
doesn't英 /ˈdʌznt/|美 /ˈdʌznt/
might英 /maɪt/|美 /maɪt/
解释
if + 一般现在时否定 doesn't answer 构成条件从句，主句用 might 推测一种可能性较低的解释。
If he doesn't answer, he might be in a meeting.
if + 一般现在时否定 doesn't answer 构成条件从句，主句用 might 推测一种可能性较低的解释。