SN4 ""

No	Pattern	Freq
1	[pron] have been president	21
2	who have been president	11
3	[Wh pn] have been president	11
4	who have been president	11
5	[pers pn] have been president	10
6	he have been president	8
7	he have been president	8
8	[noun] have been president	6
9	have [adv] been president	5
10	have [adv] been president	5
11	have been [verb] president	25
12	have been [vb pp] president	24
13	have been elect president	11
14	have been elected president	11
15	have been [adj] president	6
16	have been appointed president	5
17	have been named president	5
18	have been appoint president	5
19	have been [adj] president	5
20	have been name president	5
21	have been president [prep]	31
22	have been president [prep]	31
23	have been president of	28
24	have been president of	28