1. Research shows that young children can learn two languages simultaneously when exposed to both languages from a young age at home. The early childhood years provide an optimal period for language learning. 2. Young children learn language through social interaction, using gestures, sounds, and responding to tones of voice from an early age. As they explore their environment and impose structure on the language they hear, their cognitive and language abilities develop. 3. When teaching a second language to young children, teachers should aim to recreate conditions similar to learning a native language at home, using strategies like motherese, focusing on concrete objects and actions, frequent repetition, and building on the child's utterances.