When Trinity CertPT is not for you. For some people there is no choice between a CELTA or a Trinity CertPT. The name tells you what you can and can’t do. The Cert PT is for Practising Teachers. If you have never taught before you can’t do a Trinity CertPT. Instead an initial course like CELTA or the Trinity Cert TESOL, is probably the best choice, though other courses are available.  These short initial courses provide some background to principles of language teaching. However, they are mainly about mechanics of teaching – giving instructions and explanations, organising...