diff --git a/module/durationestimation/lang/en.php b/module/durationestimation/lang/en.php
new file mode 100644
index 0000000000..a4c8e55dfd
--- /dev/null
+++ b/module/durationestimation/lang/en.php
@@ -0,0 +1,24 @@
+<?php
+$lang->durationestimation->index        = 'Estimated lead time home';
+$lang->durationestimation->create       = 'Time estimate setting';
+$lang->durationestimation->common       = 'Estimation of project duration';
+$lang->durationestimation->stage        = 'Stage';
+$lang->durationestimation->workloadRate = 'Workload share';
+$lang->durationestimation->workload     = 'Workload';
+$lang->durationestimation->worktimeRate = 'Full-time rate';
+$lang->durationestimation->people       = 'Estimated number';
+$lang->durationestimation->members      = 'Number of people invested';
+$lang->durationestimation->startDate    = 'Start date';
+$lang->durationestimation->endDate      = 'End Date';
+$lang->durationestimation->setting      = 'Set Up';
+
+$lang->durationestimation->setWorkestimation = "Please enter the estimated workload information first";
+$lang->durationestimation->summary           = "Project scale: <strong class='text-danger'> %s {$lang->hourCommon}</strong>, Estimate workload: <strong id='totalWorkload' class='text-danger'>0</strong>, Total number of participants: <strong id='totalStaff' class='text-danger'>0</strong>";
+$lang->durationestimation->workloadError     = "The sum of the workload must be 100%";
+
+$lang->durationestimation->placeholder = new stdclass(); 
+$lang->durationestimation->placeholder->scale          = '';
+$lang->durationestimation->placeholder->productivity   = '';
+$lang->durationestimation->placeholder->duration       = '';
+$lang->durationestimation->placeholder->unitLaborCost  = '';
+$lang->durationestimation->placeholder->totalLaborCost = '';
diff --git a/module/stage/lang/en.php b/module/stage/lang/en.php
new file mode 100644
index 0000000000..e28da81db6
--- /dev/null
+++ b/module/stage/lang/en.php
@@ -0,0 +1,28 @@
+<?php
+/* Actions. */
+$lang->stage->browse       = 'Stage List';
+$lang->stage->create       = 'Create Stage';
+$lang->stage->batchCreate  = 'Batch Create';
+$lang->stage->edit         = 'Edit Stage';
+$lang->stage->delete       = 'Delete Stage';
+$lang->stage->view         = 'Stage Details';
+
+/* Fields. */
+$lang->stage->common       = 'Stage';
+$lang->stage->id           = 'ID';
+$lang->stage->name         = 'Name';
+$lang->stage->type         = 'Type';
+$lang->stage->percent      = 'Workload ratio';
+$lang->stage->setType      = 'Set type';
+
+$lang->stage->typeList['request'] = 'Story';
+$lang->stage->typeList['design']  = 'Design';
+$lang->stage->typeList['dev']     = 'Development';
+$lang->stage->typeList['qa']      = 'Test';
+$lang->stage->typeList['release'] = 'Release';
+$lang->stage->typeList['review']  = 'Summary Review';
+$lang->stage->typeList['other']   = 'Other';
+
+$lang->stage->viewList      = 'Stage List';
+$lang->stage->noStage       = 'There`s no phase yet';
+$lang->stage->confirmDelete = 'Are you sure you want to do this?';
diff --git a/module/weekly/lang/en.php b/module/weekly/lang/en.php
new file mode 100644
index 0000000000..752f1cefb9
--- /dev/null
+++ b/module/weekly/lang/en.php
@@ -0,0 +1,29 @@
+<?php
+$lang->weekly->common   = 'Project Weekly';
+$lang->weekly->index    = 'Weekly newspaper overview';
+$lang->weekly->progress = 'Percent Completed';
+$lang->weekly->workload = 'Workload';
+$lang->weekly->total    = 'Total';
+
+$lang->weekly->reportTtitle   = 'ITEM: Weekly Report% s (week% s)';
+$lang->weekly->summary        = 'Project status';
+$lang->weekly->finished       = 'Completion of work this week (100% of work completed)';
+$lang->weekly->postponed      = 'The work is not finished this week';
+$lang->weekly->nextWeek       = 'Schedule of work for next week';
+$lang->weekly->workloadByType = 'Workload statistics';
+
+$lang->weekly->term    = 'Reporting Cycle';
+$lang->weekly->program = 'Project Name';
+$lang->weekly->master  = 'Project Manager ';
+$lang->weekly->staff   = 'The numbers in this week';
+
+$lang->weekly->weekDesc       = 'Week% s (% s ~% s)';
+$lang->weekly->progress       = 'Current status of the project';
+$lang->weekly->analysisResult = 'Analysis results';
+$lang->weekly->cost           = 'Project cost';
+
+$lang->weekly->pv = 'The work to be done(PV)';
+$lang->weekly->ev = 'Actual work done(EV)';
+$lang->weekly->ac = 'Actual cost(AC)';
+$lang->weekly->sv = 'Rate of progress deviation(SV%)';
+$lang->weekly->cv = 'Cost deviation rate(CV%)';