Conjugation

Happen upon

tomber sur

Regular verb, phrasal verb.

  • Phrasal verb: upon

    Only happen changes; upon stays the same: happened upon, happened upon.

In speech, the helping verbs shorten: I’m, he’s, we’re, I’ve, I’ll, I’d.

Newbie

Enough to talk about now, the past, and your plans, and to give instructions.

  1. Present simple

    Habits, facts, and how things usually are. To say no or ask, add do or does: I don't happen upon, he doesn't happen upon.

    1. I / you / we / they happen upon
    2. he / she / it happens upon

  2. Present continuous

    What is happening now, and plans already arranged: we’re leaving tomorrow.

    1. I am happening upon
    2. you / we / they are happening upon
    3. he / she / it is happening upon

  3. Past simple

    A finished action at a past time: yesterday, in 2020. To say no or ask, add did: I didn't happen upon.

    1. I / you / he / she / it / we / they happened upon

  4. Future with going to

    Plans and intentions, and what you can see coming: it’s going to rain.

    1. I am going to happen upon
    2. you / we / they are going to happen upon
    3. he / she / it is going to happen upon

  5. Imperative

    Orders, advice, and instructions. Let’s suggests doing it together. To say no: don't happen upon.

    1. (you) happen upon
    2. let's happen upon