You can pretty much always reword the sentence to avoid this. It's kind of always just bad grammar tbh.
"He wanted to make sure that that window had been closed."
"He wanted to ensure that window had been closed."
You can pretty much always reword the sentence to avoid this. It's kind of always just bad grammar tbh.
"He wanted to make sure that that window had been closed."
"He wanted to ensure that window had been closed."