SN4 ""

No	Pattern	Freq
1	[conj] [pron] is sometimes [verb]	52
2	[subord] [pron] is sometimes [verb]	42
3	[noun] [pron] is sometimes [verb]	29
4	[noun sg] [pron] is sometimes [verb]	26
5	as [pron] is sometimes [verb]	25
6	as [pron] is sometimes [verb]	25
7	[adv] [pron] is sometimes [verb]	11
8	[prep] [pron] is sometimes [verb]	10
9	[adv] [pron] is sometimes [verb]	10
10	[prep] [pron] is sometimes [verb]	10
11	although [pron] is sometimes [verb]	7
12	although [pron] is sometimes [verb]	7
13	[coord] [pron] is sometimes [verb]	7
14	[Wh det] [pron] is sometimes [verb]	5
15	though [pron] is sometimes [verb]	5
16	[pron] [pron] is sometimes [verb]	5
17	which [pron] is sometimes [verb]	5
18	which [pron] is sometimes [verb]	5
19	though [pron] is sometimes [verb]	5
20	[pron] [noun] is sometimes [verb]	7
21	[pron] [noun sg] is sometimes [verb]	6
22	[pron] it is sometimes [verb]	5
23	[pron] [pron] is sometimes [verb]	5
24	[pron] [pers pn] is sometimes [verb]	5
25	[pron] it is sometimes [verb]	5
26	[pron] is sometimes [adj] [verb]	101
27	[pron] is sometimes [adj] [verb]	90
28	[pron] is sometimes difficult [verb]	23
29	[pron] is sometimes difficult [verb]	23
30	[pron] is sometimes possible [verb]	19