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Moser～子涵
可以用助动词代替。例如： If I were a bird，I would be able to fly in the air. 如果我是一只小鸟，我就能在空中飞行。 Were I a bird, I would be able to fly in the air.
雨霖霖i
你好关于if和when的替代词：suppose,supposing(that),proivded,providing that,as long as,in case希望对你有帮助
疯疯丫头315
if 可以同义替换成：祈使句例如：If you work hard, you will get good grades. Work hard, and you will get good grades.
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