Breakdown of Ils doutent que cette imitation soit parfaite.
être
to be
parfait
perfect
ils
they (masculine/mixed)
ce
this (before a noun)
Questions & Answers about Ils doutent que cette imitation soit parfaite.
Why is soit used here instead of est?
Soit is the subjunctive form of être. We use it here because the main verb doutent que (doubt that) expresses uncertainty, which is a classic trigger for the subjunctive mood.
How would the sentence and meaning change if we used the reflexive se doutent que instead?
It would change the grammar and flip the meaning! Se douter que means "to suspect" or "to have a strong feeling that" something is true. Because it expresses certainty rather than doubt, it triggers the indicative mood. The sentence would be: Ils se doutent que cette imitation est parfaite (They suspect that this imitation is perfect).
Could I shorten this to just Ils doutent de cette imitation?
I see that cette and parfaite are feminine. Is there a rule to remember the gender of imitation?