The present perfect tense is correct and usable in written English.
You can use this tense to describe a completed action which happened in the past that still has relevance to the present. For example: "I have finished my report and submitted it to my supervisor."
Nicola's verdict: "The main skills have ranged from teaching the present perfect tense, to how to make people feel comfortable".
"Since" means from then till now, so it should usually be used with the present perfect tense, not the simple past tense.
In her own work, she attempted to parallel the theories of Cubism, specifically in her concentration on the illumination of the present moment (for which she often relied on the present perfect tense) and her use of slightly varied repetitions and extreme simplification and fragmentation.
Obama spoke in the present perfect tense, pronouncing the new regulations the most significant step "America has ever taken in the fight against global climate change".
Conjugate "ser" in the present perfect tense.
Present perfect tense or passato prossimo refers to that action which has already taken place in the past but has still has its effect in the present.
What's more, delays forced commentators to slip into the present-perfect tense or even the past.
There is no need to qualify your introduction avoid openers like "I'm just writing to say thanks for…" or "I would like to express my gratitude…," and opt instead for the simple and direct present-perfect tense: e.g., "Thank you for supporting our corporate community service project".
Putting aside the fact that no one from any of the denier groups was on the program, Cohen's admission is noteworthy because technically "has been funding" -- which, grammatically speaking, is in the present perfect progressive tense -- describes an action that began in the past and continues in the present.
Know the present perfect subjunctive tense.
Present perfect continuous tense: subject + has/have+ been + v1 verb 1) + ing.
