Yes, I'm talking about 'participle clauses'. Don't confuse 'participle' with 'particle', though - participle is the form of a verb that ends with '-ed' or '-ing'.
Adjectival participle clauses are like relative clauses, for example, "Anyone trying to move the stone will get injured." (= Anyone who tries/is trying to move the stone will get injured.)
What I really want to convey, however, is that 'adjectival participle clauses can only be used to talk about actions that happen the same time as the
