如题所述
be sure to do sth 有信心做某事 ; 一定要做某事 ; 一定要 ; 务必
1.To be sure to do, not to feed bear .
千万、千万不可喂熊吃东西。
2.Be sure to do the sowing in good time.
下雨后即播种会更好促进发芽。
make sure that、、be sure that后边一般是加从句的。
be sure that是一定会，肯定会的意思，如：
I'am not sure（that）she will pass the test.
make sure that是确认，查明的意思，如：
Please go back and make sure that all the lights are off.
1.To be sure to do, not to feed bear .
千万、千万不可喂熊吃东西。
2.Be sure to do the sowing in good time.
下雨后即播种会更好促进发芽。
make sure that、、be sure that后边一般是加从句的。
be sure that是一定会，肯定会的意思，如：
I'am not sure（that）she will pass the test.
make sure that是确认，查明的意思，如：
Please go back and make sure that all the lights are off.
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第1个回答 2012-01-03
be sure to do sth.确定做某事
be sure that ........(后面接一个完整的句子)：确定……发生。
两者可互换。本回答被提问者采纳
be sure that ........(后面接一个完整的句子)：确定……发生。
两者可互换。本回答被提问者采纳
第2个回答 2012-01-03
sure to do 1. He is sure to finish his task.
sure that 2. He is sure that he can finish his task. 或者 3.He is sure that his sister can finish her task .
其中 第2句子中，宾语从句主语和主句主语一致， 可以改为不定式
He is sure to finish his task.=He is sure that he can finish his task.
sure that 2. He is sure that he can finish his task. 或者 3.He is sure that his sister can finish her task .
其中 第2句子中，宾语从句主语和主句主语一致， 可以改为不定式
He is sure to finish his task.=He is sure that he can finish his task.
