Since modal verbs in other Germanic languages are not defective, the problem of double modals (see above) does not arise: the second modal verb in such a construction simply takes the infinitive form, as would any non-modal verb in the same position.
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ect. is an often falsely used abbreviation for et cetera which means and so on/forth. Also it is not one word as implied by the most upvoted definition and you DON'T use and in front of it, since et means and in Latin. If I were rich I would do all that douchey rich-people stuff like drinking Dom PÃ©rignon all day etc. WRONG: I ate so much healthy stuff like bananas, apples and ect