Penser

 Here are example sentences for penser in all your requested tenses, with English translations.

---

Présent (I think, You think, He/She thinks, etc.)

Je pense que c'est une bonne idée. → I think that it's a good idea.

Tu penses à tes vacances toute la journée. → You think about your vacation all day.

Il pense que la réunion commence à 9 heures. → He thinks the meeting starts at 9 o'clock.

Nous pensons aller au cinéma ce soir. → We think we will go to the cinema tonight.

Vous pensez souvent à vos amis. → You often think about your friends.

Elles pensent que l'examen sera facile. → They think the exam will be easy.

---

Imparfait (I was thinking, You were thinking, He/She was thinking, etc.)

Je pensais que tu allais venir avec moi. → I was thinking that you were going to come with me.

Tu pensais à ton futur quand tu étais plus jeune. → You were thinking about your future when you were younger.

Il pensait que tout allait bien se passer. → He was thinking that everything would go well.

Nous pensions que vous seriez là à 5 heures. → We were thinking that you would be there at 5 o'clock.

Vous pensiez qu'il pleuvrait aujourd'hui. → You were thinking it would rain today.

Elles pensaient qu'il était déjà parti. → They were thinking that he had already left.

---

Futur Simple (I will think, You will think, He/She will think, etc.)

Je penserai à toi pendant mon voyage. → I will think of you during my trip.

Tu penseras à ta famille pendant tes vacances. → You will think about your family during your vacation.

Il pensera à son projet toute la semaine. → He will think about his project all week.

Nous penserons à une solution pour ce problème. → We will think of a solution for this problem.

Vous penserez à vérifier les horaires demain. → You will think to check the schedules tomorrow.

Elles penseront à vous quand elles partiront. → They will think of you when they leave.

---

Passé Simple (I thought, You thought, He/She thought, etc.) [Mostly literary]

Je pensai que tu étais déjà parti. → I thought you had already left.

Tu pensas à l'avenir avec espoir. → You thought about the future with hope.

Il pensa que tout était sous contrôle. → He thought everything was under control.

Nous pensâmes à une autre manière de résoudre ce problème. → We thought of another way to solve this problem.

Vous pensâtes à la réponse pendant un moment. → You thought about the answer for a moment.

Elles pensèrent qu'il serait plus facile de partir tôt. → They thought it would be easier to leave early.

---

Passé Composé (I have thought, You have thought, He/She has thought, etc.)

J'ai pensé à toi toute la journée. → I have thought about you all day.

Tu as pensé à ce que je t'ai dit ? → Have you thought about what I told you?

Il a pensé à changer de travail. → He has thought about changing jobs.

Nous avons pensé à une nouvelle approche pour le projet. → We have thought of a new approach for the project.

Vous avez pensé à acheter des billets pour le concert. → You have thought about buying tickets for the concert.

Elles ont pensé qu'il ferait beau ce week-end. → They have thought that the weather would be nice this weekend.

---

Plus-que-parfait (I had thought, You had thought, He/She had thought, etc.)

J'avais pensé que tu viendrais plus tôt. → I had thought you would come earlier.

Tu avais pensé à réserver une table avant de partir. → You had thought about reserving a table before leaving.

Il avait pensé que la réunion était annulée. → He had thought the meeting was canceled.

Nous avions pensé que vous étiez déjà arrivés. → We had thought you had already arrived.

Vous aviez pensé à tout organiser avant l'événement. → You had thought of organizing everything before the event.

Elles avaient pensé à partir en vacances l'été dernier. → They had thought about going on vacation last summer.

---

Conditionnel Passé (I would have thought, You would have thought, He/She would have thought, etc.)

J'aurais pensé à lui si j'avais eu son numéro. → I would have thought of him if I had had his number.

Tu aurais pensé à vérifier les horaires si tu m'avais demandé. → You would have thought to check the schedules if you had asked me.

Il aurait pensé à acheter des fleurs s'il avait eu le temps. → He would have thought to buy flowers if he had had the time.

Nous aurions pensé à organiser un événement plus tôt. → We would have thought of organizing an event earlier.

Vous auriez pensé à moi si vous aviez su. → You would have thought of me if you had known.

Elles auraient pensé à partir en vacances si elles avaient eu assez d'argent. → They would have thought of going on vacation if they had had enough money.

---

Subjonctif Présent (That I think, That you think, That he/she thinks, etc.)

Il faut que je pense à préparer mon discours. → It is necessary that I think about preparing my speech.

Je veux que tu penses à ce que tu vas dire. → I want you to think about what you are going to say.

Il est important qu'il pense à sa santé. → It is important that he thinks about his health.

Nous espérons que vous pensiez à ce projet sérieusement. → We hope that you think about this project seriously.

Il est possible que nous pensions à une autre solution. → It is possible that we think of another solution.

Je suis content qu'elles pensent à l'avenir avec  optimisme. → I am glad that they think about the future with optimism.

---

Let me know if you need further explanations or more examples!