Useful phrases for your Literature review

Most research on [X] has focused on …[X] has attracted considerable attention from …

In the 2000s, [X] was considered to be/viewed as/seen as …

Early works in this area focused primarily on …

[X] has become a central/an important/a critical issue in …

Few studies have explored …Few researchers have addressed the problem/issue/question of …

Despite the interest in [X], few studies have considered …

The area of [X] has not been explored in depth.

To date, research on [X] has mostly focused on/been limited to …

In their groundbreaking/seminal paper, [Authors] …

Taking into account these limitations, [Author] manages to provide …

[Author's] work has made a significant contribution to the field by …

[Author] provides a detailed/thorough analysis of …

[Author] presents a rigorous technique applicable to …

[Author] suggested/demonstrated/proposed/reported that …

[Author] considered/examined/analyzed/discussed …

Results reported by [Author] suggest that …

A recent analysis by [Author] reveals/highlights that …

The study by [Author] offers an analysis/a review of …

A serious limitation of [Author's] study is …

[Author] overlooks/ignores/fails to explain …

[Author] fails to provide an answer to the question …

[Author] does not consider/take into account …

Limitations/Disadvantages of the methodology used by [Author] are …

As [Author] argues/explains/notes/observes: "…".

[Author] summarizes these results as follows: "…".

In interpreting the data, [Author] observes that "…".

In their most recent paper, [Authors] argue that "…".

The author defines [X] as follows: "…".