11. The system of claim 8 , further comprising: receiving a text input from the user; and determining the modified search subject based on the text input.
8. A computer system for modification of search subjects in a set of predictive search terms, the computer system comprising: one or more computer processors; one or more computer-readable storage media; program instructions stored on the computer-readable storage media for execution by at least one of the one or more processors, the program instructions comprising: instructions to receive a set of search terms from a user; instructions to communicate the search terms to a search engine; instructions to receive one or more sets of predictive search terms from the search engine based on the set of search terms; instructions to identify one or more search subjects within the one or more sets of predictive search terms, wherein the instructions to identify the one or more search subjects comprises analyzing the received set of search terms and the one or more sets of predictive search terms for various semantic properties; instructions to combine the set of search terms from the user, the one or more sets of predictive search terms, and the identified one or more search subjects to form one or more combined search sentences; instructions to display the combined search sentences, wherein the identified one or more search subjects is displayed as a blank space within the one or more combined search sentences; instructions to present the user with an option to modify the one or more search subjects; instructions to receive a modified search subject from the user; and instructions to display a modified search sentence comprising the set of search terms, and one or more of the predictive search terms and the modified search subject.