1 He announced that he will give us a pleasant surprise the next day.
问题描述：
1 He announced that he will give us a pleasant surprise the next day.
2 He warned us don't to waste so much of precious time.
3 The officer ordered the policemen would set out at once.
4 All the students offered helping the old man with his housework.
5 She says she felt very tried after work every day.
6 My father told me that the moon moved around the earth.
答
1.will---would (过去时)2.don't----not (warn sb.not to do sth.)3.would----to 4.helping----to help (offer to do)5.felt---feels (every day 提示用一般现在时)6.moved---moves (转述客观真理从句用一般现在时)...