The regular beat at which a language is spoken, and which in English is achieved through the use of stress and weak or no stress.
Try saying these sentences, following the stress marks* given
(ˈ = primary stress; ˌ = secondary stress)
This should help you feel their rhythm:
He had |breakfast
The |news |paper
He |read the |news |paper
|After he had |breakfast he |read the |news |paper
Celce-Murcia, M., Brinton, D. and Goodwin, J. (1996). Teaching Pronunciation. Cambridge:Cambridge University Press.
Couper-Kuhlen, E. (1993). English Speech Rhythm:Form and Function in Everyday Verbal Interaction. Amsterdam: John Benjamins Publishing.
Thornbury, S. (2006). An A-Z of ELT. Oxford: Macmillan.
Underhill, A. (2005) Sound Foundations. Oxford: MacMillan.
Roach, P. English Phonetics and Phonology. Glossary: https://www.peterroach.net/glossary.html