for further reading about the topic download the pdf "Approaches and Methods third Edition by Richards and Rodgers"
https://l.facebook.com/l.php?u=http%3A%2F%2Fwww.mediafire.com%2Ffile%2F0stvx4104e64l85%2FApproaches%2Band%2BMethods%2Bin%2BLanguage%2BTeaching%2C%2B3rd%2BEdition.pdf%2Ffile%3Ffbclid%3DIwAR3C8eypFx_3mZdmytKc2apQ2r7tZWNGRA_AuNzlTjAS6RtKfrRVK0GDKQA&h=AT3HcN8cveNzQ6DG21ew0_7CSBB9ahi9zCyTOjpLLdqK0dhPN68hN1ETegIcFZ7ndbh8U36DJkDyR9wrprxbNTZmr6XtfXEyCSM6IyHdwT9xsf1fIWov6c1gWAsFlrf1s3uE&__tn__=-UK-y-y-R&c[0]=AT1i-j5_BqO97J7jdRvnC_CqMHDCIne29UBIg4KFa8RRd_5YU6FXN39OChfVJgcHYJJyUzuQHF5r-EcR85W9iixnGVaiU_iOhXYQEngVDI2nCRBlail-W3tncYTz2aJ3l5BQ2EYd3dJfkwm8gMwxuf7SfJzEtSB5KL_6Dl91MIqXgknjsJLMstuU2eahS1dPfR0VgkLW4mH-SZhA-fjfLc86jdu6Jue--Ze-In7lyyU7Tb2l_7xz8Nw