sorry for interrupting you.
the information given by you very useful.
it's worked fine.
the tool is not identify the second sentence error.
It is found that the surface morphology of TFMG were very smooth with a compact and dense microstructure.
here "were" is wrong
analyzed text format
It[it/PRP,B-NP-singular|E-NP-singular] is[be/VBZ,B-VP] found[find/VBN,I-VP] that[that/DT,that/RP,that/WDT,that/WP,B-SBAR] the[the/DT,B-NP-singular] surface[surface/JJ,I-NP-singular] morphology[morphology/NN:U,E-NP-singular] of[of/IN,B-PP] TFMG[TFMG/null,B-NP-singular|E-NP-singular] were[be/VBD,B-VP] very[very/JJ,very/RB,B-ADJP] smooth[smooth/JJ,smooth/VB,smooth/VBP,I-ADJP] with[with/IN,with/RP,B-PP] a[a/DT,B-NP-singular] compact[compact/JJ,compact/NN,compact/VB,compact/VBP,I-NP-singular] and[and/CC,I-NP-singular] dense[dense/JJ,I-NP-singular] microstructure[microstructure/NN,E-NP-singular].[./.,
i add the rule like you advice.
<rule id="SPS_LE_Rule1" name="use was">
<token chunk="I-NP-singular" min="0"></token>
<message>You should probably use was</message>
<example correction="were" type="incorrect">The man <marker>were</marker> reading a book.</example>
<example type="correct">The man <marker>was</marker> reading a book.</example>
but it's not identify.
am i missing anything?