This website is a great place to learn how to write learner objectives especially ones geared to ELLs
http://www.colorincolorado.org/article/introducing-text-reading
This website gives ideas on pre-reading and introducing text
http://www.cal.org/siop/pdfs/lesson-plans/cal-siop-activity-interactive-design-template.pdf
This website has both a template and an example of an interactive lesson. The sample contains great sentence frames to help ELLs begin conversations
http://www.cal.org/siop/lesson-plans/
This website breaks down in its sample lesson plans how to explain jigsawing and think pair share activites to ELLs