SN4 ""

No	Pattern	Freq
1	[noun sg] was the result	126
2	[noun sg] was the fact	68
3	[noun sg] was the subject	63
4	[noun sg] was the way	45
5	[noun sg] was the key	43
6	problem was the [noun sg]	40
7	[noun sg] was the work	38
8	time was the [noun sg]	37
9	result was the [noun sg]	32
10	[noun sg] was the product	32
11	period was the [noun sg]	31
12	[noun sg] was the cause	31
13	[noun sg] was the creation	30
14	development was the [noun sg]	29
15	[noun sg] was the need	28
16	factor was the [noun sg]	27
17	feature was the [noun sg]	27
18	[noun sg] was the colour	26
19	life was the [noun sg]	26
20	father was the [noun sg]	25
21	concern was the [noun sg]	25
22	mind was the [noun sg]	25
23	[noun sg] was the lack	23
24	[noun sg] was the centre	23
25	[noun sg] was the word	22
26	[noun sg] was the man	22
27	event was the [noun sg]	21
28	war was the [noun sg]	21
29	[noun sg] was the use	21
30	[noun sg] was the establishment	21