21. Several Web sites even automate the process by creating Web-based forms for sending fake e-mail. 22. In rare cases, both a base form and honorific are in use with different readings. 23. When the base form is a polygon that tiles the plane, rule 1 may be broken. 24. The interior of the base forms a cistern, where water may be caught for household purposes. 25. InfoPath 2003 was introduced for collecting data in XML-based forms and templates based on information from databases. 26. The free-base form of nicotine occurs naturally, but some varieties of tobacco contain far more than others. 27. In base form , the Quad 4 put out from 1988 to 1989 and from 1990 to 1992. 28. In its base form , a PIE root consists of a single vowel, preceded and followed by consonants. 29. The company also purchased Hano Inc ., a Norfolk, Virginia-based forms -management business, and New York-based SFI Corp. 30. The stone-faced base forms the street elevation, defines the building / street alignment and establishes the dignified entry.