Each language has its own taste. Syntactic structures are important for student teachers at Faculty of Education. A student teacher develops his writing when he is able to make use of syntactic structures. Writing helps in communication, forming ideas, and makes information to be clear to student teachers. In English, syntactic structures are neglected in the communicative approach. The current study deals with syntactic structures as it has an important role in English writing to student teachers. The aim of the study is to investigate the effect of Problem-Based Learning Strategy with the Help of the Internet to Develop Some of Essay Syntactic Structures Skills in English of third year English majors at Faculty of Education. Questions of the study were: What are syntactic structures skills in which student teachers' achievement levels of third year English majors are low at Faculty of Education, Beni-Suef University? To what extent does using problem−based learning strategy with the help of the Internet affect essay syntactic structures skills of third year English majors at Faculty of Education, Beni−Suef University? To what extent does using problem problem−based learning with the help of the Internet affect essay syntactic structures skills of third year English majors at Faculty of Education, Beni−Suef University in general? In the diagnostic test, participants of the study were 31 student teachers at Faculty of Education, Beni-Suef University. In the post test, student teachers were 39 after they had been 45 in the pre/test. Procedures included administering the diagnostic test after making sure of validity and reliability. According to the results of the diagnostic, test which was the first question of the study: the researcher designed a program to help student teachers develop their skills of essay syntactic structures skills. Before administering the pre/test, the researcher determined validity as the test was submitted to juries, then reliability was achieved. Student teachers' scores were low in the diagnostic and the pre/post/ tests. Afterwards, the researcher started teaching the program after it had been designed. Students were given the instructional materials. The researcher used the problem solving based learning strategy with the help of the Internet. Results of the study: To answer question 2 it is shown in (table 4) where means were obvious stating the differentiation between the pre/test and post/test in every skill; To answer question 3, it is shown in (table 5) where means were clear stating the differentiation between the pre/test and post/test in all skill. T test was 18.373 student teachers at Faculty of Education made use of the program. It would be better to focus on the importance of problem−based learning with the help of the internet at schools and Faculties of Education to develop the skills of essay syntactic structures skills.