摘要: The Conditional Adverbial Clause 条件状语从句由if或unless引导.表示如果有从句中的动作发生.就会有主句的动作发生.在条件状语从句中.主句是将来时.祈使句或含有情态动词的句子时.从句要使用一般现在时表达将来的意思. if:如果 unless:除非 = if- not-.-. Eg. We will have a meeting tomorrow if Mr. Gao doesn’t leave for Shanghai. = We will have a meeting tomorrow unless Mr. Gao leaves for Shanghai.

网址:http://m.1010jiajiao.com/timu3_id_2759763[举报]

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网