SN4 ""

No	Pattern	Freq
1	when they [verb] [be]	83
2	when they have [be]	73
3	when they [vb mod] [be]	70
4	when they [modal v] [be]	70
5	when they [vb base] [be]	44
6	when they [vb past] [be]	39
7	when they be [be]	24
8	when they [be] [be]	24
9	when they have [be]	23
10	when they had [be]	23
11	when they [am/are] [be]	20
12	when they should [be]	19
13	when they should [be]	19
14	when they 've [be]	18
15	when they could [be]	15
16	when they could [be]	15
17	when they are [be]	13
18	when they can [be]	12
19	when they can [be]	12
20	when they will [be]	10
21	when they would [be]	9
22	when they 'd [be]	9
23	when they would [be]	8
24	when they 're [be]	7
25	when they will [be]	6
26	when they [pron] [be]	6
27	when they themselves [be]	5
28	when they themselves [be]	5
29	when they [pn reflx] [be]	5
30	[noun] when they [be]	911