А) Have used
B) did go
A) Have been
B) did go
A) have studied
B) did start
<span><span>1) At present, <span>advanced methods <u>have been </u>evolved for designing ma</span>chines.</span><span> Present Perfect Passive - to evolve
2)<span> He <u>reported </u>the result of the experiment.</span></span></span> Past Simple Active - to report
He children played.<span>.happily</span>..in the garden