Reading activity worksheets are basically specific grammar based reading worksheets that are accompanied with True/False or comprehension questions. They can be perfectly used as a base context to teach forms and meanings of particular grammar concepts.
You can use reading comprehension worksheets in several ways. Obviously, the first way is to use them in a comprehension activity in a reading lesson in order to check students’ comprehension. The second way is just using it as a playground for the relevant grammar concept. The reading texts are written using mainly particular grammar concepts. You can surely start a grammar lesson and elicit the meaning of the particular grammar subject and forms from the reading passage. The reading texts are designed to include the basic concepts, spelling forms or necessary basic forms. You can successfully teach a grammar subject with these reading skill handouts.