Present "let" | I | let | |

Present Continuous "let" | I | am letting | |

Simple past "let" | I | let | |

Past Continuous "let" | I | was letting | |

Present perfect "let" | I | have let | |

Present perfect continuous "let" | I | have been letting | |

Past perfect "let" | I | had let | |

Past perfect continuous "let" | I | had been letting | |

Future "let" | I | will let | |

Future continuous "let" | I | will be letting | |

Future perfect "let" | I | will have let | |

Future perfect continuous "let" | I | will have been letting |