Complementation in VPs

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1. Only verb.

Physics has been treading.

2. Verb with the predicative complement.

Discrepancies that might appear at the cosmological level are extremely difficult to probe experimentally.

3. Verb with the complement.

Lord Kevin talked about two clouds.

4. Verb with the direct object and complement.

He congratulated her on her promotion.

5. Verb with the clause complement.

He expected her to change the tactics.

6. Verb with the direct object and clause complement.

I used this data to support my argument.