Conjugation

Light up

s’allumer; illuminer

Irregular verb, phrasal verb.

  • Phrasal verb: up

    Only light changes; up stays the same: lit up, lit up.

  • Two forms

    The tables show lit up. Also correct: lighted up.

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 light up, he doesn't light up.

    1. I / you / we / they light up
    2. he / she / it lights up

  2. Present continuous

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

    1. I am lighting up
    2. you / we / they are lighting up
    3. he / she / it is lighting up

  3. Past simple

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

    1. I / you / he / she / it / we / they lit up

  4. Future with going to

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

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

  5. Imperative

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

    1. (you) light up
    2. let's light up