SN4 ""

No	Pattern	Freq
1	which be [vb pp] [prep] the [adj]	839
2	which be [verb] [prep] the [adj]	663
3	which was [verb] [prep] the [adj]	301
4	which is [verb] [prep] the [adj]	301
5	which be [verb] by the [adj]	247
6	which be [verb] in the [adj]	238
7	which were [verb] [prep] the [adj]	156
8	which are [verb] [prep] the [adj]	137
9	which be [verb] [prep] the [num ord]	97
10	which be [verb] to the [adj]	84
11	which be [verb] [prep] the [num]	65
12	which be [verb] on the [adj]	58
13	which be [verb] [prep] the [det]	42
14	which be [verb] from the [adj]	41
15	which be [verb] for the [adj]	40
16	which be [verb] with the [adj]	35
17	which be [v-ing] [prep] the [adj]	34
18	which be [verb] [prep] the same	31
19	which be [verb] [prep] the same	31
20	which be [verb] [prep] the first	30
21	which be [verb] [prep] the first	30
22	which be [verb] at the [adj]	28
23	which be [to-vb] [prep] the [adj]	22
24	which be [verb] during the [adj]	21
25	which be base [prep] the [adj]	20
26	which be based [prep] the [adj]	20
27	which be [verb] [prep] the national	19
28	which be [verb] [prep] the national	19
29	which be use [prep] the [adj]	18
30	which be used [prep] the [adj]	18