Using Language Objectives, in conjunction with Content Objectives is a great strategy that is part of the SIOP model. This article discusses the why and how of language objectives, and the accompanying document is a teacher cheat sheet/reference for teachers when writing language objectives. I find the cheat sheet very helpful when writing language objectives.
https://drive.google.com/file/d/1Af6CCOoGhS27OvigmSHO63nCc0JZwNnj/view?usp=sharing