The phrase "and may sometimes help" is correct and usable in written English.
It can be used to indicate that assistance is not guaranteed but is possible in certain situations.
Example: "This guide provides useful tips for beginners, and may sometimes help you navigate the complexities of the software."
Alternatives: "and can occasionally assist" or "and might sometimes be beneficial".
Public investment in roads, better policing and schools, and clean water may sometimes help the chronically poor more than social programmes would.Schemes like Chile Solidario are promising, but require careful design and implementation.
Thus, a synoptic display of ALT profiles, concomitant medication and adverse events may sometimes help substantially to identify causes for clinically relevant changes in liver safety biomarkers.
Moreover, one extra degree of freedom (the order) may sometimes help to obtain better performance than the usual time-frequency distributions or the FT. And its developed fast algorithms lead to little computation load for good performance.
The preservation of different body parts in different ways may sometimes help palaeontologists, by suggesting whether a body part was fairly tough like an arthropod limb (preserved as flat film) or very soft and chemically active, like a part of the gut (preserved as a solid piece of mineral).
Insertion of a Sengstaken Blakemore or Linton Nachlas tube may sometimes help to temporarily stabilise the patient with severe gastric variceal bleeding, which is uncontrolled by standard endoscopic methods as described above.
Aliefs, Gendler said, give rise to associative responses that sometimes help, and other times may hinder, individuals as well as society at large.
Phyllis Hollander handled administrative duties and sometimes helped with editorial issues.
I think readers may sometimes deserve help in sorting out whether the secret government document trumpeted on Newspaper A's front page is the same one they heard touted on the radio two days ago.
Some business, and accounting teachers and investment advisers sometimes may help their students or clients to understand how to use leverage to buy a business or rentals: Visualize a race to the county courthouse to record the deed or the business purchase.
