11.   This raises serious doubts about his qualities as a statesman.

12.   The awful thing was that, as I said it, I began to have serious doubts about it.

13.   Such questions cast serious doubts on the likelihood of to having no meaning in these uses.

14.   But its effect was to cast serious doubt on the policy of association and to hasten negotiations with the GPRA with a view to total independence.

15.   Tayside north Tory MP Bill Walker says more defence cuts could close Rosyth naval base and leave the future of the dockyard in serious doubt.

16.   By a quarter to five Kathleen was having serious doubts about her sanity.

17.   Leonora was suffering serious doubts about her sanity by the time the train drew in to Paddington Station the following Saturday evening.

18.   Indeed, there must be serious doubts about the decision to hold them this year.

19.   But a team of Oxford scientists put the link with aluminium in serious doubt in new research published today in the scientific journal Nature.

20.   Almost immediately, she found herself in a cul de sac and had serious doubts about continuing.