SN4 ""

No	Pattern	Freq
1	is that [pers pn] be [verb]	369
2	is that [pers pn] [be] [verb]	369
3	is that [pers pn] [am/are] [verb]	202
4	is that [pers pn] [be] [v-ing]	189
5	is that [pers pn] [be] [vb pp]	176
6	is that [pers pn] are [verb]	118
7	is that [pers pn] [is] [verb]	100
8	is that they [be] [verb]	100
9	is that it [be] [verb]	87
10	is that [pers pn] is [verb]	71
11	is that [pers pn] [was/were] [verb]	67
12	is that we [be] [verb]	61
13	is that [pers pn] 're [verb]	54
14	is that [pers pn] was [verb]	46
15	is that he [be] [verb]	38
16	is that i [be] [verb]	34
17	is that you [be] [verb]	33
18	is that [pers pn] 's [verb]	29
19	is that [pers pn] [be] go	24
20	is that [pers pn] [be] going	24
21	is that [pers pn] were [verb]	21
22	is that [pers pn] 'm [verb]	18
23	is that she [be] [verb]	16
24	is that [pers pn] [be] try	12
25	is that [pers pn] [be] trying	12
26	is that [pers pn] am [verb]	8
27	is that [pers pn] [be] make	8
28	is that [pers pn] [be] base	7
29	is that [pers pn] [be] see	7
30	is that [pers pn] [be] get	7