請問下面這個例句是什麼五大句型中的什麼句型？ The U.S. established diplomatic relations with the P.R.C in 1979.?

The phrasal verbs used with phrases and clauses on --to do something type sentence pattern:-
eg:-
to do something
=to ask for
=to establish
It did occur to usa---S+ V
to establish-----infinitive phrase
diplomatic relations----infinitive phrase
with PRC---infinitive phrase
in 1979----time phrase