1. Durante la semana, mis amigos y yo vamos a la playa.
2. Yo nado después de escuela durante la semana.
3. Ellos cocinan la cena en los fines de semana.
4. Ella le gusta cantar en la tarde.
5. Tu caminas desde escuela hasta su casa.
Hope this helps!
Scientists think that algae first evolved approximately 2.7 billion years ago, and soon after this oxygen began to exist in the atmosphere. Photosynthesis by primitive plants and algae released oxygen, which gradually built up in the atmosphere.
Explanation:
Estamos
estar because this verb comes straight after an already conjugated verb
