viết 3 ví dụ cho thì tương lai đơn chủ động (will do) hoặc tương lai đơn bị động (will be done) 

The new building will be completed by the end of next year. (Future simple passive)

She will send the email to her boss later. (Future simple active)

The cake will be made by my sister for the party. (Future simple passive)

I will visit my grandmother tomorrow. (Future simple active)