SN4 ""

No	Pattern	Freq
1	we have [vb pp] that	673
2	we have [vb pp] that	528
3	we have seen that	185
4	we have shown that	87
5	we 've [vb pp] that	77
6	we have found that	62
7	we had [vb pp] that	51
8	we have assumed that	30
9	we have decided that	26
10	we have heard that	23
11	we have suggested that	22
12	we have said that	21
13	we 'd [vb pp] that	14
14	we have discovered that	14
15	we have argued that	13
16	we have noticed that	11
17	we have agreed that	10
18	we have proved that	10
19	we have noted that	10
20	we have learned that	9
21	we have hoped that	8
22	we have established that	8
23	we have concluded that	8
24	we have thought that	7
25	we have demonstrated that	5
26	we have learnt that	5
27	we have known that	5