Grammar Patterns

it v-link ADJ wh

it v-link ADJ wh

The adjective group preceded by introductory it and a link verb, and is followed by a finite wh-clause.The wh-clause in this pattern indicates something that is uncertain or or not known, or the opposite. For example, in It is puzzling why farmers do not convert to organic agriculture, the reason why farmers do not convert to organic farming is not known.
itlink verbAdjective groupwh-clause
It's notapparentwhy it happens.
It'sdoubtfulwhether I'd recognise him again.
It'simmaterialwhat he thinks.
Adjectives with this pattern belong to the following meaning groups:
The 'clear' groupThe 'inexplicable' groupThe 'important' group

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