CREATE TABLE table_1745843_5 (part_1 VARCHAR, part_4 VARCHAR)

What is the 1st participle of the verb whose 4th participle is haitans?
SELECT part_1 FROM table_1745843_5 WHERE part_4 = "haitans"
SELECT "part_1" FROM "table_1745843_5" WHERE "haitans" = "part_4"