if (lexemsTable[index] === "T_FOR") {
    if (lexemsTable[index + 1] === "T_VARIABLE") {
      if (lexemsTable[index + 2] === "T_ASSIGNMENT") {
        if (
          lexemsTable[index + 3] !== "T_VARIABLE" &&
          lexemsTable[index + 3] !== "T_INTEGER" &&
          lexemsTable[index + 3] !== "T_LEFT_PARENTHESIS"
        ) {
          errorOccured = true;
          console.log(
            `ERROR at ${
              lexemsIndexes[index + 3]
            } index : You can't use ${lexemsTable[index + 3].substring(2,30)} after ASSIGNMENT OPERATOR`
          );
        }

        if (lexemsTable[index + 3] === "T_LEFT_PARENTHESIS") {
          index = findParenthesisRightPair(index + 3);
        }else if (
          lexemsTable[index + 3] === "T_VARIABLE" &&
          lexemsTable[index + 4] === "T_LEFT_PARENTHESIS"
        ) {
          index = findParenthesisRightPair(index + 4);
        } else if (
          lexemsTable[index + 3] === "T_VARIABLE" &&
          lexemsTable[index + 4] === "T_LEFT_BRACKET"
        ) {
          index = findBracketRightPair(index + 4);
        } else {
          const toIndex = lexemsTable.indexOf("T_TO", index);
          const contentBetweenForAndTo = checkContentBetweenKeywords(index+3, toIndex, 0);
          if(contentBetweenForAndTo){
            errorOccured = true;
            console.log(contentBetweenForAndTo)
          }
          index = toIndex - 1;
        }


        if (lexemsTable[index + 1] !== "T_TO") {
          console.log(index);
          errorOccured = true;
          console.log(
            `ERROR at ${
              lexemsIndexes[index + 1]
            } index : You have to place 'TO' here`
          );
        } else if (lexemsTable[index + 2] === "T_DO") {
          errorOccured = true;
          console.log(
            `ERROR at ${
              lexemsIndexes[index + 2]
            } index : You have to define the end of the range after 'TO' here`
          );
        } else if (lexemsTable[index + 2] === "T_TO") {
          errorOccured = true;
          console.log(
            `ERROR at ${
              lexemsIndexes[index + 2]
            } index : You can't place another 'TO' after 'TO' here`
          );
        }else{
          const doIndex = lexemsTable.indexOf("T_DO", index + 1);
          const contentBetweenToAndDo = checkContentBetweenKeywords(index+2, doIndex, 1);
          if(contentBetweenToAndDo){
            errorOccured = true;
            console.log(contentBetweenToAndDo)
          }
          if(doIndex !== -1){
          } else{
            errorOccured = true;
              console.log(
                `ERROR at ${
                  lexemsIndexes[index + 1]
                } index : You have to place "DO" after "TO"`
              );
          }

          index = doIndex+2
        }
      }else{
        errorOccured = true;
        console.log(
          `ERROR at ${lexemsIndexes[index]} index : You have to initialize iterator's value here`
        );
      }
    }else{
      errorOccured = true;
      console.log(
        `ERROR at ${lexemsIndexes[index]} index : You have to place iterator here`
      );
    }
  }

  if(lexemsTable[index] === "T_IF"){
    ifAmount++;
    if (lexemsTable[index + 1] === "T_IF"){
      errorOccured = true;
      console.log(
        `ERROR at ${lexemsIndexes[index+1]} index : You can't place another 'IF' here`
      );
    }
    const thenIndex = lexemsTable.indexOf("T_THEN", index);
    if(thenIndex === -1 ){
      errorOccured = true;
      console.log(
        `ERROR at ${lexemsIndexes[index+1]} index : Expected 'THEN'`
      );
    }
    console.log(thenIndex)
    console.log(index)
    if(thenIndex - index === 1 ){
      errorOccured = true;
      console.log(
        `ERROR at ${lexemsIndexes[index+1]} index : You have to write your condition`
      );
    }
    if(lexemsTable[thenIndex - 1] === "T_SEMICOLUMN"){
      errorOccured = true;
      console.log(
        `ERROR at ${lexemsIndexes[index+1]} index : Expected 'THEN' got ';'`
      );
    }
    const contentBetweenIfAndThen = checkContentBetweenKeywords(index+1, thenIndex, 2);
      if(contentBetweenIfAndThen){
        errorOccured = true;
        console.log(contentBetweenIfAndThen)
      }
    index = thenIndex
  }

  if (lexemsTable[index] === "T_ELSE") {
    if (ifAmount > 0) {

    }else{
      errorOccured = true;
      console.log(
        `ERROR at ${lexemsIndexes[index]} index : You have to use 'IF' before 'ELSE'`
      );
    }
    if (lexemsTable[index - 1] !== "T_END") {
      errorOccured = true;
      console.log(
        `ERROR at ${lexemsIndexes[index]} index : You have to use 'ELSE' after 'END'`
      );
    }

    const closestIf = findClosestLeftIf(index);
    const closestThen = findClosestThen(closestIf);
    const closestBegin = closestThen + 1;
    const correspondingEnd = findEnd(closestBegin);
    if (index - 1 !== correspondingEnd){
      errorOccured = true;
      console.log(
        `ERROR at ${lexemsIndexes[index]} index : You have to use 'ELSE' after 'IF' construction`
      );
    }


    if (lexemsTable[index + 1] !== "T_BEGIN") {
      errorOccured = true;
      console.log(
        `ERROR at ${lexemsIndexes[index]} index : You have to open new logic statement after 'ELSE'`
      );
    }
  }

  if (lexemsTable[index] === "T_THEN") {
    errorOccured = true;
    console.log(
      `ERROR at ${lexemsIndexes[index]} index : You can't place 'THEN' here`
    );
  }
  if (lexemsTable[index] === "T_TO") {
    errorOccured = true;
    console.log(
      `ERROR at ${lexemsIndexes[index]} index : You can't place 'TO' here`
    );
  }
  if (lexemsTable[index] === "T_DO") {
    errorOccured = true;
    console.log(
      `ERROR at ${lexemsIndexes[index]} index : You can't place 'DO' here`
    );
  }
  if (!errorOccured && index <= lexemsTable.length) {
    checkSyntax(lexemsTable, index + 1);
  }
  if (!errorOccured && index > lexemsTable.length) {
    console.log(`\n~~~~~~~~~~Anylize completed successfully~~~~~~~~~~`);
  }