Is it possible to format forms in li tags this way?

Question

css

Is it correct from the point of view of SEO optimization to throw the form in the li tag?

<li class="dropdown show" id="profile">
                        <a class="dropdown-toggle" href="#" id="dropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                            <i class="fa fa-user fa-1-5x"></i>
                        </a>
                        <div class="dropdown-menu" id="drop-profile" aria-labelledby="dropdownMenuLink">
                            <a asp-action="Login" asp-controller="Registration" class="dropdown-item">Войти</a>
                            <a asp-action="Create" asp-controller="Registration" class="dropdown-item">Регистрация</a>
                        </div>
                    </li>
                    <li class="nav-item" id="searchbox">
                        <form action="/" method="post" class="form-inline">
                            <input type="text" class="form-control" placeholder="Search" aria-describedby="basic-addon2">
                            <button type="submit" class="input-group-addon" id="basic-addon2">
                                <i class="fa fa-search"></i>
                            </button>
                        </form>
                    </li>

Answer 1

I call it semantic shiza.
When people who have read articles about semantics rush to pray to it (semantics).
One of the most typical manifestations is the desire to draw up lists of everything that is possible and what is not.