suspect construction?

[learning_english]

"Why do you keep pending your work" is a suspect construction.

I know "suspect" means "doubt". So it becomes "doubt construction", but still I cannot understand it.

Could you explain it to me?
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Please let me know if I have made any mistakes in any of my sentences.

[Alan]

Hi,

The noun 'suspect' in your example has taken on the role of adjective and suggests more 'dubious'. In other words 'the construction' in its present form makes you suspicious that there is something wrong or incorrect in its use.

Alan
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English as a Second Language
You can read my ESL story Head expressions for you