HAD TO: You use had to + verb to talk about things that were necessary in the past., • “We had to wear uniforms at school.”, • “I had to copy the notes because I missed the lesson.”, Questions: “Did you have to do extra homework?”, DIDN’T HAVE TO: You use didn’t have to + verb for things that were not necessary in the past. It means: it wasn’t necessary, but you could if you wanted., • “We didn’t have to do much homework.”, • “I didn’t have to attend every class.”, Sometimes had to is used instead of must in the past: “She’s not here because she had to go home.”, COULD: Use could + verb for things that were possible in the past., It means: you had the ability or the situation/rules made it possible., • “I could understand most of the lesson.”, • “We could miss a few lectures at university.”, • “Could you choose your subjects?”, Could is more polite than can. “Could you pass me the salt?”, COULDN’T: Use couldn’t + verb for things that were impossible in the past., • “I couldn’t understand very much.”, • “We couldn’t take phones to school.”, • “I couldn’t see because it was too crowded.”,

Modals. Could/had to. Outcomes. 8C. Pre-intermediate.

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