CITE RIGHT:require sth. to do, require that sb. do (subjunctive), require of sb. that do(subjunctive) That's all~ I THINK THAT TO UNDERSTAND THE USE OF "REQUIRE" IS QUIET IMPORTANT. SO I'M GONNA GIVE A EASY WAY TO REMEBER THEM. FIRST, REQUIRE SB TO DO, AS WE CAN SEE, THE TIME OF "REQUIRE" IS ABSOLUTELY EARLIER THAN THE TIME "SB" WILL DO THAT THING. SO WE USE TO DO. THAN, REQUIRE THAT..., THIS STRUCTURE SHOWS THAT SB IS REQUIRING STH, AND WHAT HE REQUIRES IS THE SENTENCE FOLLOWING THAT. WHAT DO WE DO NORMALLY WHEN WE GIVE AN ORDER? DO STH! RIGHT? THAT'S HOW THESE KIND OF VERB WORK.
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