Romantic Lacy Shawl from Red Heart, Asticou Terrace from The Fibre Company, Seriously Striking Crochet Stole by Red Heart and Robyn's Wrap from Classic Elite Yarns are some good shawl patterns to crochet. All of these patterns are freely accessible online, and they are designed to accommodate various skill levels.
A great crochet pattern for beginners, Romantic Lacy Shawl by Red Heart is a simple two-row design made using a single color. The finished wrap is 20 inches wide and 64 inches long. The pattern is available from RedHeart.com as a printable PDF.
Featuring a gradation of The Fibre Company's Acadia hue, Asticou Terrace is an elegant triangle shawl pattern for beginners. This scarf is 24 inches wide at its largest point and 52.5 inches long, and it is primarily worked with a double crochet stitch. A PDF pattern is available from Yarn.com.
Seriously Striking Crochet Stole is another free shawl pattern by Red Heart. This pattern is published on AllFreeCrochet.com and is rated as an easy crochet project. Featuring a neutral border between irregular blocks of color, this lightweight design is both trendy and casual.
Robyn's Wrap is an intermediate-level shawl pattern from Classic Elite Yarns. This soft, sophisticated scarf is made from premium Silky Alpaca Lace yarn for a stretchy, lightweight feel. A PDF pattern is available from ClassicEliteYarns.com.