1.   How could she ever have doubted his motives?

2.   But they doubt the motives of his adversaries even more, so they close ranks.

3.   Do not, for a moment, doubt his motives.

4.   I want to know what people who may have doubted our motives are seeing and understand that we really do have a smoking gun here.

5.   Ms. Herman, like many other people interviewed in the New York metropolitan area, also doubted the motives of officials issuing daily warnings.

6.   We laughed at their antics and doubted their motives.

7.   But he doubted the motives of many of his customers.