Do you want to be TEFL or TESOL-certified in Missouri? Are you interested in teaching English in Lee's Summit, Missouri? Check out our opportunities in Lee's Summit, Become certified to Teach English as a Foreign Language and start teaching English in your community or abroad! Teflonline.net offers a wide variety of Online TESOL Courses and a great number of opportunities for English Teachers and for Teachers of English as a Second Language. Here Below you can check out the feedback (for one of our units) of one of the 16.000 students that last year took an online course with ITTT!
past perfect continuous tense has two auxiliary verbs – 'had' and 'been' – the omission of either one of those or the failure to add 'ing' to the main form is the major errors with this structure. Some problems with usage can also be expected as it can be easily confused with the past perfect, and the past continuous. One of the few occasions, when it is possible to use the past continuous without a specific time reference, is with the gradual development usage.
