En inglés, must have  se utiliza para hablar de deducciones lógicas o suposiciones con alta certeza sobre eventos pasados. Es una herramienta clave para interpretar situaciones y expresar lo que creemos que ocurrió. Dominar must have  enriquecerá tu vocabulario y te permitirá comunicarte de manera más precisa. Cómo se Forma La estructura básica es: Sujeto + must have + participio pasado Afirmativa:   They must have left early.(Deben haber salido temprano.) Negativa:   She mus

Artificial lighting has become an integral part of modern life, enabling productivity and activity well beyond natural daylight hours. While it offers undeniable benefits, the overuse and inappropriate use of artificial lighting can have significant effects on human health and well-being. One of the primary concerns regarding artificial lighting is its impact on circadian rhythms. These natural biological cycles regulate sleep, wakefulness, and various bodily functions. Expos

Hi! My name is Alex, and today I cleaned my room. It was a mess, but I followed some steps to make it look nice and tidy. Let me tell you how I did it. Step 1: Gather My Tools First, I found everything I needed: A broom to sweep the floor. A trash bag for all the garbage. A cloth to dust my desk and shelves. A box to organize small things like toys and gadgets. Step 2: Throw Away Trash I started by picking up trash. There were old papers, empty wrappers, and a broken pen on m