whether/if
结构:主要子句+whether/if+子句
说明:此句型意为是否。口语中使用 if 较为普遍。如果子句中带有 or not 等词,则只能用 whether;另外,whether 不能引导否定的间接疑问句,而 if 则可以。
He asked me the question whether the price was too high.
他问我价格是否太高。
They asked him whether the quality is fine or not.
他们问他质量是否好。
Tell me whether you like this color.
告诉我你喜不喜欢这种颜色。
Tell me if it doesnt rain.
告诉我是否下不了雨。
Ask him if it is true.
问他那是不是真的。
I wonder if he is in the school.
我想知道他是否在学校。
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