61. Or for alternatives

Use or to give alternatives or choices.

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62. If + present, will + verb

Use this pattern for a real or possible future condition.

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63. If + present, can / may / might

Use a modal after if to show ability or possibility.

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64. If + past, would + verb

Use this pattern for an imagined or unlikely situation.

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65. Unless

Use unless to mean if not.

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66. When / before / after + clause

Use time clauses to connect actions in sequence.

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67. As soon as

Use as soon as to show that one action happens immediately after another.

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68. While + clause

Use while to show two actions happening at the same time.

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69. Relative clause with who

Use who to add information about a person.

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70. Relative clause with that / which

Use that or which to add information about a thing.

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